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int(e^x(1+x))/(cos^2(x e^x))\ dx= (a) 2...

`int(e^x(1+x))/(cos^2(x e^x))\ dx=` (a) `2(log)_ecos(x e^x)+C` (b) `sec(x e^x)+C` (c) `tan(x e^x)+C` (d) `tan(x+e^x)+C`

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