integral of x^2-2x

Lösung

\int x^{2} - 2 x d x

\frac{x ^{3}}{3} - x^{2} + C

Schritte zur Lösung

\int 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 x^{2} d x - \int 2 x d x

\int x^{2} d x = \frac{x ^{3}}{3}

\int 2 x d x = x^{2}

= \frac{x ^{3}}{3} - x^{2}

Füge eine Konstante zur Lösung hinzu

= \frac{x ^{3}}{3} - x^{2} + C

\int_{- 1}^{1} \frac{1}{2} (3 - 3 x^{2})^{2} d x

f (x) = x^{3} cos (x)

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