What is ∫x² dx?

x³ + C

x³/3 + C

x²/2 + C

None of these

To integrate $x^2$ , use the power rule of integration:

$int x^n dx = frac{x^{n+1}}{n+1} + C$

Here, $n = 2$ , so:

$int x^2 dx = frac{x^{2+1}}{2+1} + C = frac{x^3}{3} + C$ 2+1/2+1+C

=x^3/3+C