Question: I dont know what to do next. Please answer in steps ,Thank you
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Originally Posted by mj.alawami Question: I dont know what to do next. Please answer in steps ,Thank you For this you should use integration by parts. Remember that . In this case, let so that Let so that . . So .
The substitution is itself correct, but the complete procedure is... (1) (2) ... so that the integral becomes... (3) ... that really seemes more easy than the original one... Kind regards
Last edited by chisigma; Jan 9th 2010 at 08:13 AM. Reason: Error of sign in (3)... thanks to HallsofIvy
Originally Posted by mj.alawami Question: I dont know what to do next. Please answer in steps ,Thank you Again, "du= -2x" is not correct. du= -2xdx so . You need to learn to write that correctly! Rewrite as Now becomes , becomes and becomes 2- u. becomes
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