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Integral Calculus
Page 3
Questions (205)
In=∫ x^nSinx dx....with the limits π/2 and 0
i found that In would be equal to n(π/2)^(n-1) -n(n-1) In-2 how do i deduce the
2 answers
asked by
Kerry-Ann
1,015 views
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the
2 answers
asked by
Amy
579 views
Find the integral:8x^7+6/(x^8+6x)^2
I got ln(x^8+6x)^2 but apparently that is wrong.
1 answer
asked by
Eve
293 views
evaluate integral
definite integral sign a=1 b=8 4(x^(2/3)+14)^3/((x^(1/3))) dx I get u= x^2/3 + 14 then du= 2/3 * x^(-1/3) dx 6
4 answers
asked by
Eric
389 views
A current i = 50sin 100πt mA flows in an electrical circuit. Determine, using integral calculus, its
a) Mean Value b) RMS Value
2 answers
asked by
Dylan James
1,239 views
integrate 1/(1+(e^-x))
please provide steps
1 answer
asked by
Anonymous
287 views
Evaluate �è R xy dA , where R is the region bounded by x^2 +y^2 <=16 , x>=0 and y>=0
1 answer
asked by
Tony
374 views
Find the length of the arc along f(x) = integral from 0 to x^3 sqrt(cos t) dt on the set of x [0, pi/3].
1 answer
asked by
Liz
409 views
find the volume of a solid formed when the region bounded by y = e^(x-3) and y = 1 + ln(x) is rotated about the y-axis.
1 answer
asked by
mary
292 views
Find the volume of the solid formed by rotating the region enclosed by
x=0 x=1 y=0 y=4+x^5
1 answer
asked by
Ali
452 views
integrate from 0 to pi/2 (3sinxcosx)/(1+3sin^2x)^1/2
1 answer
asked by
Frank
405 views
What is the area is square units o the region under the curve of the function f(x)=4, on the interveral from x=-1 to x=3
2 answers
asked by
Alex
870 views
areas between the curves
x=y^2-2, x=y, y=3. int[a,b](f(y)-g(y)) dy i know how to graph. but im have problem with integral.
1 answer
asked by
Vicky
302 views
Is Integral of f(x) w.r.t.x from 0 to a;equal to Integral of f(x-a) w.r.t.x from 0 to a?
1 answer
asked by
alsa
287 views
The volume of the solid obtained by rotating the region enclosed by
y=x^2 y=2x about the line x=2 can be computed using the
1 answer
asked by
cjones
359 views
Find the volume of the solid formed by rotating the region enclosed by
y=e2x+1, y=0, x=0, x=0.9 about the y-axis.
1 answer
asked by
cjones
489 views
Can someone look at my work and see what i did wrong. I did this 100 times but i keep getting it wrong
Sketch the region enclosed
3 answers
asked by
jasmineT
468 views
I just wanted to see if my answer if correct
the integral is: ∫(7x^3 + 2x - 3) / (x^2 + 2) when I do a polynomial division I
1 answer
asked by
Tom
414 views
U subtitution for Arc Tan(x)/ x^2 +1 dx
1 answer
asked by
Michelle
251 views
Volume by shells method of graphs y=(x-2)^1/2 Andy=2 around x axis and around y=-2
1 answer
asked by
Prabha
297 views
Evaluate the indefinite integral:
INT dx/(64+x^2)^2 Please help with this one.
4 answers
asked by
Carmen
580 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.
y=x^2, x=y^2
1 answer
asked by
Brit
337 views
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL
ƪxe^2x dx
3 answers
asked by
renee
450 views
I had to integrate [(x^2+1)/(x^2-x)]dx with partial fractions. My answer was 2ln abs(x-1) -ln abs(x)+C. But the answer on the
1 answer
asked by
JAE92
382 views
Determine the integral by making an appropriate substitution
integral of 8x cuberoot srqt(4x^2-9) dx let u= 4x^2-9 du= 8x dx I do
1 answer
asked by
Hannah
415 views
evaluate:
¢²_(k=1)^¡Ä¢Æ(¡î(k+1)+¡îk)/¡î(k^2+k)
1 answer
asked by
y
341 views
hi
im totally blanking how do i find the antiderivative of cos(0.5(x^2))? thanks!
1 answer
asked by
math
376 views
Consider the region trapped between the graphs of y=9-x^2 and y=11-3x.
a) find the area of this region b) set up an integral
1 answer
asked by
Nellie
451 views
Find the indefinite integral.
Integral of [1/(4+3x²)]dx Thank you so much for your help!
1 answer
asked by
Erica
347 views
prove the following integrals:
a)sin3xcos7xdx = -1/20cos(10x)+1/8cos(4x) b)sin8xcos3xdx = -1/22cos(11x)-1/10cos(5x)
1 answer
asked by
maria
455 views
The region in the x-y plane bounded by the curve y=x^2, the line x=0 and the line x=5 and the x-axis. find the volume generated.
3 answers
asked by
matrix school 2
459 views
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
1 answer
asked by
David
394 views
how would you do the integral of the sin(square root x)
? I just can't seem to get started
1 answer
asked by
sarah
322 views
hey guys,
i follow you up to the point of intergrating the final line. How would I intergrate [x^-2.e^-x] dx thx
4 answers
asked by
xX_Supaman_Xx
555 views
Find the area of the surface obtained by rotating the curve y=sqrt(4x) from x=0 to x=1 about the -axis.
about the x-axis. surface
1 answer
asked by
jimmy
683 views
For the intergral of -(x^2)/3 +6 interval [0,3]
Rewrite it as a function of n using the right hand endpoint without any summation
1 answer
asked by
jimmy
522 views
Hello! I really don't think I am understanding my calc hw. Please help me fix my errors. Thank you!
1. integral from 0 to pi/4 of
1 answer
asked by
Shelley
670 views
The components of a position vector of a particle moving in the plane are components t^3,2sin(t)). What is the distance traveled
3 answers
asked by
Alice
2,274 views
Find a value c in the interval [0,2] such that f(c)is equal to the average value.
3 answers
asked by
mike
1,660 views
let R be the region bounded by the graphs of y = sin(pie times x) and y = x^3 - 4.
a) find the area of R b) the horizontal line y
4 answers
asked by
ana
1,591 views
suppose
x S f(t) dt= x^2 - 2x + 1. Find f(x). 1 S = integral and 1 = lower level, x = upper i don't understand what i'm supposed
2 answers
asked by
bex
1,078 views
Find the interval on which the curve of y equals the integral from 0 to x of 6 divided by the quantity 1 plus 2 times t plus t
1 answer
asked by
Ernie
1,088 views
6.] Replace the integral in exercise 5 (int. (1/ 1 – t) dt a = 0, b = 1/2with ?1/(1+t) dt with a = 0, b = 1, and repeat the
1 answer
asked by
Rajeev
1,050 views
Anti Derivative of
F''(x) = 4 + 6x + 24x^2, f(0) = 3, f(1)=10 Not sure how to find the value of the constant for F'(x).
2 answers
asked by
Daniel
1,023 views
Find the volume of the solid generated by revolving the region in the first quadrant that is above the parabola y= 4x^2 and
4 answers
asked by
Jamie
1,002 views
Use the limit process to find the area of the region between f (x)=10x+8 and the x-axis on the interval [0,3]
2 answers
asked by
Christiana
970 views
1) evaluate: integral of
(3x^2 + 5x - 1 + 3/x) dx x^3/3 + x^2/5 - x Is this correct? 2) evaluate: integral of (5e^7x + srqtx) dx
3 answers
asked by
Hannah
947 views
Given that \displaystyle \int_0^4 x^3\sqrt{9+x^2} dx = a, what is the value of \lfloor a \rfloor?
2 answers
asked by
John
934 views
The volume of the solid obtained by rotating the region enclosed by
y=x^2 y=2x about the line x=2 can be computed using the
2 answers
asked by
ayee
938 views
Find the average value over the given interval.
y=3x^5; [-3,3] I can't seem to get the answer, 0. 1/(3+3) [integral -3 to 3
2 answers
asked by
Anonymous
880 views
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Algebra
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