Question

Evaluate
${\int }_0^2(x^2+3)dx$

Answer 1

On solving, we get

${\int }_0^2{x}^{2}dx+{\int }_0^{2}3dx$

$⟹{[\frac{x^3}{3}+3x]}_0^2$

$⟹\frac{8}{3}+6-0$

$⟹\frac{26}{3}$