Home » Blog » Calculate an integral of x^2 Calculate an integral of x^2 by RoRi July 21, 2015 Compute the integral Using the formula for integrals of polynomials, we compute: Related
![\[ \int_0^3 x^2 \, dx. \]](https://www.stumblingrobot.com/wp-content/ql-cache/quicklatex.com-7fa2f337f4435c46c6b899a9dd894a6d_l3.png "Rendered by QuickLaTeX.com")
![\[ \int_0^3 x^2 \, dx = \left. \frac{x^3}{3} \right|_0^3 = \frac{27}{3} - \frac{0}{3} = 9. \]](https://www.stumblingrobot.com/wp-content/ql-cache/quicklatex.com-659b38ab3814e3b0614a47edbe0deec6_l3.png "Rendered by QuickLaTeX.com")