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Can someone help me with this \(\int \:e^{2x}\sin \left(x\right)dx\)   , I don`t  understand how \(u=e^{2x}\)  is equal \(du=2e^{2x}dx\) step by step pleas.

Sorry  and this \(\int \:\sqrt{8+2x-x^2}\:dx\)

 Jun 14, 2018
 #1
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Can someone help me with this , I don`t  understand how   is equal  step by step pleas.

 

laugh

 Jun 14, 2018
edited by Omi67  Jun 14, 2018

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