integral from 0 to 1 of-x^2+2x

Lösung

\int_{0}^{1} - x^{2} + 2 x d x

\frac{2}{3}

Dezimale

0.66666 \dots

Schritte zur Lösung

\int_{0}^{1} - x^{2} + 2 x d x

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= - \int_{0}^{1} x^{2} d x + \int_{0}^{1} 2 x d x

\int_{0}^{1} x^{2} d x = \frac{1}{3}

\int_{0}^{1} 2 x d x = 1

= - \frac{1}{3} + 1

Vereinfache

- \frac{1}{3} + 1 : \frac{2}{3}

= \frac{2}{3}

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