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Integrate the following functions (x e^x)/(1+x)^2 |
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Answer» Solution :`int (x e^x)/(1+x^2) dx` =`int e^x((x+1-1)/(1+x)^2) dx` =`int e^x (1/(1+x) - 1/(1+x)^2) dx` =`e^x/(1+x) +C`, Here F(x) = 1/(1+x) `f^.(x) = -1/(1+x)^2` |
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