Saturday

March 28, 2015

March 28, 2015

Number of results: 14,104

**calculus**

how would you do this improper integral 1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1) from 0-1 and ln(x-1) from 1-2 I then did for the first one the (lim t->1(-) of ln(t-1))-(ln(0-1)) and then the same thing for the second part I ...
*February 9, 2008 by sarah*

**calculus**

how would you do this improper integral 1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1) from 0-1 and ln(x-1) from 1-2 I then did for the first one the (lim t->1(-) of ln(t-1))-(ln(0-1)) and then the same thing for the second part I ...
*February 10, 2008 by sarah*

**Calculus**

What is the connection between improper integrals, Riemann sums, and the integral test?
*March 26, 2013 by Kendra*

**College Calculus**

Could someone explain how to distinguish improper integrals in non-mathematical terms so I may understand? Thanks!
*February 28, 2008 by Matt*

**Calculus (improper integrals)**

the integral from 0 to lnx of lnx/(x^1/2) thanks!
*March 6, 2008 by Chelsea*

**calc**

how would you do this improper integral 1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1) from 0-1 and ln(x-1) from 1-2 I then did for the first one the (lim t->1(-) of ln(t-1))-(ln(0-1)) and then the same thing for the second part I ...
*February 9, 2008 by sarah*

**calculus**

[integrals]2/tsqrt(t^4+25) integrals of two over t square root of t to the 4th plus 25
*November 23, 2009 by steve*

**Calculus**

Write 2.445353535353... as a fraction I'm learning integrals right now and this is part of the exercises under it. Is there a trick to this? Using integrals? Thank you very much!
*January 31, 2015 by Alex*

**Calculus (Definite Integrals)**

How many definite integrals would be required to represent the area of the region enclosed by the curves y=(cos^2(x))(sin(x)) and y=0.03x^2, assuming you could not use the absolute value function? a.) 1 b.) 2 c.) 3 d.) 4 e.) 5
*February 29, 2012 by Mishaka*

**calculus**

There are four integrals: 1) definite integral x/(1+x^4)dx b/w 0_infinity 2) definite integral (x^2)/(1+x^4)dx b/w 0_infinity 3) definite integral (x^3)/(1+x^4)dx b/w 0_infinity 4) definite integral (x^4)/(1+x^4)dx b/w 0_infinity Which of these integrals converge. First of all...
*March 3, 2010 by Carmen*

**calculus**

There are four integrals: 1) definite integral x/(1+x^4)dx b/w 0_infinity 2) definite integral (x^2)/(1+x^4)dx b/w 0_infinity 3) definite integral (x^3)/(1+x^4)dx b/w 0_infinity 4) definite integral (x^4)/(1+x^4)dx b/w 0_infinity Which of these integrals converge. First of all...
*March 4, 2010 by Carmen*

**Calculus AB**

Consider the region bounded by the graphs of the equations x=y^2 and y=3x. Set up 2 integrals, one with respect to x and the other with respect to y, both of which compute the volume of the solid obtained by rotating this region about the x-axis and evaluate the integrals.
*March 8, 2011 by Nellie*

**calculus *improper integrals***

A hole of a radius of 1cm is pierced in a sphere of a 4cm radius. Calculate the volume of the remaining sphere. I know that the volume of a sphere with an exterior radius is of: V = pie(R^2 - r^2) dH where R^2 is the exterior surface area and r^2 is the interior surface area. ...
*September 16, 2012 by John*

**Calculus - evaluating integrals**

I'm really having trouble with this current topic that we're learning. Any explanations are greatly appreciated. Evaluate the integrals: 1.) ∫ (2-2cos^2x) dx 2.) ∫ cot3x dx 3.) ∫ ((e^(sqrt x) / (sqrt x) dx))
*March 23, 2011 by Amy*

**MATH 2B Calculus **

Consider the area between the graphs x+4y=14 and x+7=y^2. This area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals They ask to use two integrals so i put f(x) from -7 to 2 which is correct but for g(x) i put 2 ...
*August 20, 2010 by TOMO*

**Calculus Please Help4**

Consider the area between the graphs x+2y=9 and x+6=y^2. This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals as integral f(x)dx from a,b + integral g(x)dx from b,c I got a=-6 b=3 c=19 but what does f(x)=? g(...
*April 25, 2014 by Babak*

**Calculus**

integral -oo, oo [(2x)/(x^2+1)^2] dx (a) state why the integral is improper or involves improper integral *infinite limit of integration (b) determine whether the integral converges or diverges converges? (c) evaluate the integral if it converges I know f(x)=arctan->f'(x)=1...
*February 8, 2008 by Anonymous*

**Calculus Area between curves**

Consider the area between the graphs x+6y=8 and x+8=y2. This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals where a= , b=, c= and f(x)= g(x)= I found a, but not b or c. I can't seem to figure out f(x) and g(...
*November 24, 2013 by Kelly*

**Calculus ll - Improper Integrals**

Find the area of the curve y = 1/(x^3) from x = 1 to x = t and evaluate it for t = 10, 100, and 1000. Then find the the total area under this curve for x ≥ 1. I'm not sure how to do the last part of question ("find the the total area under this curve for x ≥ 1.") ...
*October 2, 2010 by Alyssa*

**MATH**

Evaluate by writing it as a sum of two integrals and interpreting one of those integrals in terms of an area.
*December 7, 2012 by LUNG*

**Calculus**

Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the integral", without finding ...
*December 18, 2009 by Jennifer*

**Calculus - Integrals**

What is the integral of arctan x?
*March 13, 2008 by Sean*

**Calculus**

[Integrals] h(x)= -4 to sin(x) (cos(t^5)+t)dt h'(x)=?
*November 21, 2009 by Z32*

**calculus 2**

integrate x^5/(x^2 + sqrt(2)) using a table of integrals
*March 30, 2011 by Dana*

**Calculus**

11) Find the following indefinite integrals. ∫x/(x+9)^(1/2)dx
*November 24, 2014 by Hailey*

**improper fraction**

improper fractions like 4 2/3
*January 20, 2011 by Anonymous*

**Calculus - Integrals**

Integral of (dt/[sqrt(t)+25tsqrt(t)]} From 1/75 to 3/25 I'm at a complete loss at what to do.
*March 15, 2008 by Sean*

**Calculus**

definite Integrals (using fundamental Theorem) Evaluate from -1 to 2(x^2 - 4x)dx
*December 2, 2011 by Stacy *

**Calculus (integrals)**

Find the integral:8x^7+6/(x^8+6x)^2 I got ln(x^8+6x)^2 but apparently that is wrong.
*October 29, 2013 by Eve *

**Calculus**

Hi. How can I integrate 1/(X^3 +1) ? Thank you to anyone who can help me :-) Write 1/(x^3 +1) as 1/[(x+1)(x^2-x+1)] Then use integration by parts, letting dv = dx/(x^2 -x +1) u = 1/(x+1) du = log (x+1) v = (2/sqrt3)arctan[(2x-1)/sqrt3] That should take you to the answer. I ...
*March 18, 2007 by M*

**Calc or Pre calc**

I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
*May 14, 2008 by jennifer*

**Maths**

What is the answer for these questions:- 1) Indefinite Integrals gcx) = (8 + 39x ^ 3) / x 2) Indefinite Integrals hcu) = sin ^2 (1/8 u) 3) Evaluate x ( 8 - 5 x ^2) dx Thank you
*June 16, 2011 by Alex*

**math**

1. change to improper fraction: 9 5/9 2. change to improper fraction: 6 23/39 3. change the improper fraction to a whole number:115/20 4. multiply 4 3/4 x 1 1/7 5,subtract- 20 11/15- 17 1/3 6 2(-6)(-8)(0)(-5): multiply 7. solve for the variable: 0.1p=7
*May 14, 2013 by John*

**math**

12 1/3 + 7 7/15 switch fractions to improper fractions then find a common denominator to find improper fraction of 12 1/3 multiply whole number (12) by the denominator of the fraction (3) then add the numerator of the fraction (1) therefore improper fraction will be 37/3
*April 25, 2007 by Freddie*

**calculus**

Use integrals to prove that the volume of a sphere of radius R is equal to (4/3)(pi)R^3
*January 31, 2009 by matt*

**calculus**

Use the Table of Integrals to evaluate the integral (x sine(6x^2)cos(7x^2)dx)
*February 14, 2010 by ali*

**math, calculus 2 **

Consider the area between the graphs x+y=16 and x+4= (y^2). This area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals integrate from a to b of f(x)dx + integrate from b to c of g(x)dx What is the value of a, b, c...
*September 12, 2012 by bobby*

**calculus**

evaluate the improper integral whenever it is convergent ∫0,-00 1/(4-x)^(3/2) dx
*March 4, 2012 by help please.*

**Calculus**

Graph the integrands and use areas to evaluate integrals (integrate(3&-3)) root(9-x^2) dx
*January 24, 2014 by Anonymous*

**single variable calculus - indefinite integrals**

integral of (1-(sinx)^2))/(cosx)dx i don't know what to make my "u" for u-substitution
*August 11, 2011 by Kelly*

**calculus**

Evaluate the following integrals by using appropriate method : ∫cos ^3 ( 2x-5 )dx help
*December 25, 2011 by Jacob*

**Constitutional Law**

is the exclusion of evidence that is obtained through an improper search the appropriate response to an improper search or is there a better way to deal with such situation
*April 18, 2012 by Stacy*

**Mixed numbers and improper fractions**

Improper fraction as a mixed number in simplest form? 29/18
*January 25, 2012 by Shamekka teart*

**calculus showed work**

find the area of the rgion bounded by the graphs of y=x^3-2x and g(x)=-x i drew the graph and half of the graph is above the xaxis and the other half is below the axis. so the integrals i came up with are two because i broke them up and i combined the answers at the end: ...
*January 6, 2007 by david*

**calculus**

evaluate the following indefinite integrals by substitution & check the result by differentiation. ∫(sin2x)^2 cos2xdx
*December 8, 2011 by Andresito*

**AP Calculus**

how do you evaluate integral of [lxl] from (0,2) , a step function. would you just do it as if it were a absolute value and then do two different integrals?
*February 10, 2009 by David*

**calculus 4**

a solid cube, 2 units on a side, is bounded by the planes x=+-1, z=+-1, y=3 and y=5. Find the center of mass using triple integrals.
*November 3, 2009 by john*

**calculus II university**

prove the following integrals: a)sin3xcos7xdx = -1/20cos(10x)+1/8cos(4x) b)sin8xcos3xdx = -1/22cos(11x)-1/10cos(5x)
*January 28, 2010 by maria*

**Calculus**

"Evaluate the following indefinite integrals: "S" (3x^2 -2)/(x^3 - 2x + 1)^3 dx" We're practicing the substitution rule, and I know how to do it, but I don't know what/how to substitute in this question. btw: "S" is the integral sign.
*April 11, 2010 by Stuck*

**Calculus**

Integrate [1/square root of(e^(2x)-1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out!
*February 5, 2012 by Elaine*

**structurlal design 2**

15. Sagging in floor joists is typically caused by A. oversized joists. B. undersized joists. C. improper nailing of sub-flooring. D. improper moisture content of the wood i think it's D.
*February 24, 2013 by Austin*

**Calculus **

Consider the area between the graphs x+1y=12 and x+8=y2 . This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals Interval a to b f(x)= i put 12-x but it's wrong Interval c to b f(x)= i put (x-8)^(1/2) but it's ...
*April 29, 2012 by jasmineT*

**calculus**

set up sums of integrals that can be used to find the area of the region bounded by the graphs of the equations by integrating with respect to y y=square root of x; y= -x, x=1, x=4
*May 1, 2012 by dario*

**probability**

Multidimensional challenges Suppose that fΘ and fX|Θ are described by simple closed-form formulas. Suppose that Θ is one-dimensional but X is high-dimensional. a) Suppose that a specific value x of the random variable X has been observed. Is it true that the ...
*March 28, 2015 by RVE*

**calculus**

evaluate the following integrals by any means possible: b. integral from -1 to 1 (w/ (w^2+1)) (dw) c. integral from -3 to 0 sqrt(9-x^2)dx
*July 3, 2009 by Dora*

**Calculus**

1 0 x^2dx=1/3. Use this and the properties of integrals to evaluate 1 0 10−2x^2dx
*May 12, 2013 by Brian*

**Calculus **

1. Evaluate the following integrals (a) 4x2 +6x−12 / x3 − 4x dx
*May 26, 2013 by Maryam*

**Calculus**

Evaluate the following integrals. Show all the steps in your calculation. a. _0^2(3x^3 - x^2 + 2)dx b. _0^1(e^2x - x^2)dx c. 1/(x+3)dx
*April 27, 2013 by Hy'le*

**Calculus**

I need help with integrals and I need help with the problem. Integral of 4/sqrt(x)dx
*April 11, 2011 by Leanna*

**calculus**

Evaluate the following integrals using the given substitutions. (a) (3x^2 + 10x)dx/(x^3 + 5x^2 + 18 , substitution u = x3 + 5x2 + 18; (b)(14x + 4)cos(7x^2 + 4x)dx,substitution u = 7x^2 + 4x.
*May 27, 2014 by Carrolyn*

**Calculus (math)**

Consider the area between the graphs x+3y=35 and x+5=y2. This area can be computed in two different ways using integrals
*December 14, 2014 by mia*

**calculus**

It is known that if m <= f(x) <= M for a <= x <= b, then the following property of integrals is true. m(b-a) <= int_a^b f(x)dx <= M(b-a) Use this property to estimate the value of the given integral. ? <= int_0^3 3/(1+x^2)dx 2 <= ? solve for the ?
*January 17, 2009 by ben*

**Calculus (Integrals)**

Evaluate the following expression: d/dx (integration sign: upper=1 and lower= -3) (2t^3 + 3)dt = I am given the following options: 2t^3 + 3 56 5 -28.0 None of the above
*February 15, 2012 by Mishaka*

**Calculus (Definite Integrals - Arclength)**

Using the trapezoid rule with n = 8 to approximate the arc length of the graph of y = 2x^3 - 2x + 1 from A(0,1) to B(2,13) you get (to three decimal places): A.) 6.900 B.) 13.896 C.) 14.093 D.) 13.688 E.) 13.697
*March 12, 2012 by Mishaka*

**calculus**

1. integral -oo, oo [(2x)/(x^2+1)^2] dx 2. integral 0, pi/2 cot(theta) d(theta) (a) state why the integral is improper or involves improper integral (b) determine whether the integral converges or diverges converges? (c) evaluate the integral if it converges CONFUSE: how would...
*February 10, 2008 by Anonymous*

**Math - Factors**

What are improper factors? How do we find improper factors for any given numbers?
*September 10, 2008 by Jacob*

**calculus**

prove the following integrals: a)sin3xcos7xdx = -1/20cos(10x)+1/8cos(4x) i know i have asked this question before but i am very confused bobpursley, can you please show me the steps of proves. thanks in advanced
*January 28, 2010 by maria*

**Cal**

consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals where a=,b=,c= and f(x0= and g(x)=. Alterntaively this area can be computed as a single integral
*July 7, 2011 by Lan*

**Cal**

consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals where a=,b=,c= and f(x0= and g(x)=. Alterntaively this area can be computed as a single integral
*July 7, 2011 by Lan*

**calculus**

For large values of n, the Riemann sum 1/n(sin0 + (pi/2n) + sin(2pi/2n) +sin(3pi/2n)+...sin((n-1)pi/2n)) is an approximation for which of the following integrals?
*April 7, 2011 by Anonymous*

**Calculus - Integrals**

I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S-1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.
*March 23, 2008 by David*

**Calculus - Integrals**

I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S-1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.
*March 24, 2008 by David*

**Calculus **

There is this improper integral problem I've been given. I've completed most of it but still don't understand what I'd get, I don't quite get what it means to go from 'e' to 'infity'. What would I get? -ln(x)+1/x from 'e' to 'infinity' + -1/x from 'e' to 'infinity'.
*July 12, 2013 by Isaac*

**CALCULUS 2!!! PLEASE HELP!!**

I'm having trouble with this question on arc length: y=lnx, (squareroot)3/3 greater than or equal to x less than or equal to 1 It sounds as if you want the length of the y = ln x curve from x = sqrt(3)/3 (0.57735..) to 1. The formula for the arc length of a line y(x) is Length...
*October 19, 2006 by Krystal*

**Calculus 2**

The question is: Evaluate the improper integral for a>0. The integral is: the integral from 0 to infinity, of e^(-y/a)dy Can anyone help me solve this? When I try I get 'a', which apparently is incorrect. Thank you!
*September 25, 2011 by Sara*

**Calculus (integrals)**

Use the following formula for the sum of the cubes of the first integers to evaluate the limit in part (a). 1**3+2**3+...+n**3=((n(n+1))/2)**2 (a)lim n approaches infinity and the sum of n (top) and i=1 (bottom) with (3i/n)^3*(3/n) I don't know how to solve this, can you help ...
*April 16, 2010 by Sarah*

**improper integral**

can any one explain how to evaluate this improper integral i.e. the function is not continuous at 0 neither at inf integration of [(e^(-sqrt(t)))/sqrt(t)]dt from 0 to infinity the integration part is easy but i want only how to evaluate it thanks
*May 2, 2010 by William*

**Calculus**

integral of cscx^(2/3)(cot^3)x i know that cot^2x is csc^2(x)-1, but i just don't understand how to solve the cscx^(2/3), any help? i also know that its trig integrals/substitution...
*June 10, 2012 by Brandon*

**math**

Change the number sixteen to an improper fraction Change the number twenty-eight hundredths written as an improper fraction, decimal, and mixed number.
*May 18, 2011 by derrius*

**Calculus**

I have two questions, because I'm preparing for a math test on monday. 1. Use the fundamental theorem of calculus to find the derivative: (d/dt) the integral over [0, cos t] of (3/5-(u^2))du I have a feeling I will be able to find the derivative easily, I'm just having trouble...
*May 9, 2009 by Jennifer*

**Calculus**

which of the following integrals results from making the substitution u=x^3 in orer to find (squiggly vertical line)x^2cos(x^3)dx ~cos u du ~u^2 cos u du ~u^(2/3) cos u du1/3 os u du ~3 cos u du
*May 11, 2012 by Ken*

**calculus**

Calculate Integrals: x= 2 cos - cos 2 -1, y= 2 sin - sin 2 ? I need the procedure. The answer is: 6 Thank you!
*May 14, 2010 by Terry*

**Calculus (Integrals and Derivatives)**

Evaluate the following expression: d/dx (integration sign: upper=1 and lower= -3) (2t^3 + 3)dt = I am given the following options: 2t^3 + 3 56 5 -28.0 None of the above Would the result of the expression be 0 or 5???
*February 15, 2012 by Mishaka*

**math**

what is the fraction 26/39 in simplist form. What is the least common denominator of 2/9 and 5/6. What is six 2/3 as an improper fraction. six 3/7 as a improper fraction. 2/25 and 24/100 as a percent. write .26 and .35 as a fraction. 2/20 as a percent
*March 18, 2009 by quavious*

**maths**

what is the missing part of this 7/12=49/? 36/24=?/16 6/?=18/39 next part: convert the mixed numbers to improper (topheavy) fractions: 2&3/5 3&4/7 8&1/2 convert the improper fractins to mixed numbers: 17/6 25/8 22/4 this is onli a small part of my home work please do as much ...
*November 11, 2007 by gemimapuddleduck*

**Calculus**

Evaluate the following integrals {e˄x+e˄-x/ e˄x dx
*April 4, 2011 by Zukii*

**calculus**

Evaluate the improper integral or state that it diverges: integral from 6 to infinity (1/t^2-5t)dt. I need help on solving this and what does it mean by converges and diverges?
*March 20, 2014 by diana*

**ap calculus**

Which of the following definite integrals gives the length of y = e^(e^x) between x=0 and x=1? All the answers are preceded by the integral sign from 0 to 1. (a) sqrt[1 + e^(2*(x+e^x))] dx (b) sqrt[1 + e^(4x)] dx (c) sqrt[1 + e^(x+e^x)] dx (d) sqrt[1 + e^(2e^x)] dx (e) sqrt[e...
*December 19, 2012 by Jess*

**CALCULUS II**

Hi, I needed help with this improper integral. lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so much :D
*June 17, 2014 by BRADLEY*

**Calculus**

Can someone help me to evaluate these two integrals? INT dx/(x^2*sqrt(x^2-25)) and INT (from 0 to 1) -5*sqrt(x^2+1) dx
*September 22, 2011 by Jason*

**Calculus**

Evaluate the improper integral or state that it diverges: integral from -inf to inf (2xe^-x) dx. Please help!
*March 20, 2014 by diana*

**calculus**

how do you calculate the instantaneous rate of change. is that the derivative. also: if f is the antiderivate of (x^2)/(1+x^5 such that f(1)=o then f(4)=? How would i find the integral of that? i don't even know what the first step is to get the answer. also, on this question...
*April 13, 2007 by david*

**vector calculus**

Show that the given line integral is independent of path.Then, evaluate the line integral I by finding a potential function f and applying the Fundamental Theorem of Line Integrals. I=_{(0,0)}^{(1,2)}(x+y)dx+(x-y)dy
*November 28, 2011 by Donny*

**calculus help work**

a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. i have to do this the calculus way, not the physics way. by using integrals the answer choices ...
*January 8, 2007 by david*

**[Calculus] U-substitution for Integrals**

Integrate from 1 to 5 of (3x-5)^5 dx = Integrate from a to b of f(u) du where (I have solved this part) u = 3x-5 du = 3 a = 0 b = 12 The original value of the integral is 165888 via calculator here's my last question, and it has to be in terms of u: f(u) = ? (Again, in terms ...
*February 23, 2015 by Ian*

**Calculus**

Evaluate the integral: 16csc(x) dx from pi/2 to pi (and determine if it is convergent or divergent). I know how to find the indefinite integral of csc(x) dx, but I do not know how to evaluate the improper integral.
*June 4, 2012 by Sam*

**Calculus**

integral 1 to 500 (13^x - 11^x) + integral 2 to 500 (11^x - 13^x) dx = (answer: 14.946) I tried typing the integrals in the graphing calculator to get the answer, but it says overflow. Any help on solving this? Thanks!
*June 4, 2008 by Anonymous*

**[Calculus] U-substitution for Integrals**

Integral of cos(x)*a^sin(x) + C dx = Integral of cos(x)*sin(x)^a + C dx = Let a be a fixed positive number. I'm clueless is to how to solve for a...
*February 23, 2015 by Ian*

**Chemistry **

What is the complete ionic equation for NaOH(aq) + Fe(NO3)3(aq)? I'm putting this on webassign, but it's telling me "One or more of your reactants appear to have an improper oxidation state. One or more of your products contains an improper oxidation state. 3Na^+ (aq) + 3OH...
*June 21, 2013 by Ashley*

**double integrals**

Combine the following two integrals into one by sketching the region, then switching the order of integration. (sketch the region) im gonna use the S for integral sign..lol SS6ycos(x^3-3x)dxdy+SS6ycos(x^3-3x) And the first integration limits for x are between -1 and y, for y ...
*March 21, 2012 by Mary*

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