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About LinkBacksEvaluate the integral (in book, this is the "Integration by parts" section):
Something like...
and then...? Or am I way off?
Wait, I think I got it. Is the answer:
?
You can check your answer by differentiating it:Originally Posted by cinder
Evaluate the integral (in book, this is the "Integration by parts" section):
Something like...
and then...? Or am I way off?
Wait, I think I got it. Is the answer:
?
![\frac{d}{dx}\left[ \frac{1}{5}x\sin5x + \frac{1}{25}\cos5x + C \right]=](http://latex.codecogs.com/png.latex?\frac{d}{dx}\left[ \frac{1}{5}x\sin5x + \frac{1}{25}\cos5x + C \right]=)
,
which is the integrand, so yes you have the correct integral.
RonL
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