Thursday

April 17, 2014

April 17, 2014

Posted by **RuggedChild** on Tuesday, February 24, 2009 at 2:41pm.

Integral of: 4x(tan(x^2))dx

Integral of: (1/(sqrt(x)*x^(sqrt(x))))dx

Integral of: (cos(lnx)/x)dx

- Calculus II (#3 of 3) -
**drwls**, Tuesday, February 24, 2009 at 4:10pmIntegral of: (cos(lnx)/x)dx

let u = ln x

du = dx/x

Your integral is therefore that of

cos u du, which is sin u = sin(ln x)

Try the others yourself. In the first one, I would let x^2 = u

- Calculus II -
**Anonymous**, Monday, May 2, 2011 at 3:49pmIntegral 3x/x2(x-2)dx

**Related Questions**

Integral - That's the same as the integral of sin^2 x dx. Use integration by ...

Calc BC - 1. Find the indefinite integral. Indefinite integral tan^3(pix/7)sec^2...

calc check: curve length - Find the length of the curve y=(1/(x^2)) from ( 1, 1...

calculus - Calculate definite integral of dx/(x^4 * sqrt(x^2 + 3)) Over (1,3) I ...

ap calculus - Which of the following definite integrals gives the length of y = ...

Is this how you derive the formula for arc length? - For a smal change in x, dx...

Calculus URGENT test tonight - Integral of: __1__ (sqrt(x)+1)^2 dx The answer is...

Calculus II - Find x and dx using trigonometric substitution of (integral) ...

calculus - LEt f and g be continous functions with the following properties i. ...

calculus - LEt f and g be continous functions with the following properties i. ...