Question

Find the integral of $\int (2x-3\cos x+e^x)dx$

Answer 1

$\int (2x-3\cos x+e^x)dx$
$=2\int xdx-3\int \cos xdx+\int e^{x}dx$
$=\frac{2x^2}{2}-3\left(\sin x\right)+e^x+C$
$=x^2-3\sin x+e^x+C$