i gotta integrate the following: e^2x * sinx i got this as my answer: (4/5)(-e^2x*cosx + .5e^2x * sinx) is it right?
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Is done by parts twice. Wolfram Mathematica Online Integrator
An alternative method is to take the derivative twice... . Therefore . Call this equation 1. Notice that now we have another integral to find... so take the derivative again... . Therefore . Substitute this back into equation 1: .
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