Integration By Parts Confirmation

Printable View

January 27th 2009, 07:40 PM
Fallen186

Integration By Parts Confirmation

Is ∫ $(x*(ln(x)^4) = 4ln|x|^3-12ln|x|$
January 27th 2009, 07:42 PM
becker89

just check it yourself,
derive the right side,and see if you get the left side.
cant go safer than that
January 28th 2009, 03:09 AM
Chop Suey

Quote:

Originally Posted by Fallen186

Is ∫ $(x*(ln(x)^4) = 4ln|x|^3-12ln|x|$

No.

$\int x \ln{(x)^4} ~ dx = 4 \int x\ln{x}~dx = 2 \int (x^2)'\ln{x}~dx$

Now apply integration by parts.

All times are GMT -8. The time now is 04:30 PM.

Copyright © 2005-2013 Math Help Forum. All rights reserved.

Copyright © 2005-2013 Math Help Forum. All rights reserved.