$\int {\left( {{x^2} + x - 2} \right)\,dx} = $

Question

Accepted Answer

$\frac{x^{3}}{3} + \frac{x^{2}}{2} - 2x + C$

Answer

$3x^{3}-x^{2}+3x-1$

Answer

$3x+1+C$

Answer

None of these