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OpenStudy (babynini):
Integration by parts!
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OpenStudy (anonymous):
whats your question
OpenStudy (babynini):
\[\int\limits_{}^{}(x^2+3x)\cos(x)dx\]
OpenStudy (babynini):
Still trying to figure out how to find a nice u. For this one would u=x^2+3x?
OpenStudy (babynini):
@jim_thompson5910 @inkyvoyd
OpenStudy (anonymous):
correct
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jimthompson5910 (jim_thompson5910):
looks good u = x^2+3x dv = cos(x)dx
OpenStudy (babynini):
haha thanks yall :) I got it correct!
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