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February 26th, 2012, 09:37 AM  #1 
Newbie Joined: Feb 2012 Posts: 1 Thanks: 0  integration problem from mit who solve
Hi guys , this integration problem was in mit integration sheet , so can anyone find the answer? ?. (2x^3 + 5x + 1)e^(2x) dx 
February 26th, 2012, 09:50 AM  #2 
Senior Member Joined: Jul 2011 Posts: 227 Thanks: 0  Re: integration problem from mit who solve For the first two integrals use integration by parts. For the third one you can use the substitution . 
February 27th, 2012, 01:09 PM  #3 
Senior Member Joined: May 2011 Posts: 501 Thanks: 5  Re: integration problem from mit who solve
Here is a method for integrals of the form , where p(x) is a polynomial of degree n. using then Use product rule: Expand and equate coefficients: Integrate both sides: 

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