MathML

Integralrechnung

\int_{1}^{4} x^{2} ⅆ x = {[\frac{x^{3}}{3}]}_{1}^{4} = \frac{4^{3}}{3} - \frac{1^{3}}{3} = \frac{64}{3} - \frac{1}{3} = \frac{63}{3} = 21