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Quandaries & Queries
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 Topic: by parts
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6 items are filed under this topic.

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 The integral of sqrt(x) * ln(x) 2009-10-12 From Oana:Hi! Can you tell me please how much is : ∫ (√x * ln x) ?Answered by Penny Nom. Integration 2008-10-17 From hazela:integration of x sinx cosnxAnswered by Harley Weston. Integration 2007-02-02 From Jenna:How do I integrate ( ln(x) ) / ( x^2 ) ?Answered by Penny Nom and Claude Tardif. Integrating e^x sin(x) 2003-05-03 From Lech:I am having trouble integrating the following expression by parts: ex sin(x) I used the integrator at http://www.integrals.com/ to find the solution, ? 1/2 ex cos(x) + 1/2 ex sin(x). This is easy to confirm by differentiation, however I am confounded as how to arrive at the answer. Answered by Penny Nom and Claude Tardif. Integration by parts 2001-04-09 From A student:how do you integrate x tan-1x dx, i know it can be done by integration by parts maybe, but i'm not sure....Answered by Claude Tardif and Harley Weston. Two integrals 2001-04-03 From Jim:I'm having trouble with these integrals. Can you help me out? 1)the integral of: x5 arctan x dx 2)the integral of: 2x5 + 9x4 + 19x3 + 13x2 - 5x - 25 ----------------------------------------------- dx x4 + 4x3 + 5x2 Answered by Claude Tardif.

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