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posted by  reeeen on 10/7/2008 8:54:13 PM  |  status: Live  

Calculus help~

Course Textbook Chapter Problem
Calculus N/A N/A N/A
Question Details:
In the following, one integral can be evaluated by substitution and the other can be evaluated by integration by parts.
Write down which method applies, and evaluate the integral.
 
∫ xe^(x^2) dx
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Oracle
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posted by Altair on 10/7/2008 8:58:49 PM  |  status: Live
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reeeen's comment:
"thx"
Response Details:
let u = x2
du = 2xdx
xdx = (1/2)du
 

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Oracle
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posted by Ctrl on 10/7/2008 9:00:45 PM  |  status: Live
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reeeen's comment:
"thx"
Response Details:
Use u substitution

let
du =

rewrite the integral and solve

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