List of top Mathematics Questions on integral asked in BCECE

The value of the integral
∫ex{f(x) + f'(x)} dx is
The value of the integral \(\int\limits^{\pi}_{-\pi}\frac{\cos^2x}{1+a^x}dx,\)
a > 0 is
The value of the integral
\(\int\frac{e^x(x^2+1)}{(x+1)^2}\ dx=\)