integral of (x^3+2x-7)

Lösung

\int (x^{3} + 2 x - 7) d x

\frac{x ^{4}}{4} + x^{2} - 7 x + C

Schritte zur Lösung

\int x^{3} + 2 x - 7 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^{3} d x + \int 2 x d x - \int 7 d x

\int x^{3} d x = \frac{x ^{4}}{4}

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

\int 7 d x = 7 x

= \frac{x ^{4}}{4} + x^{2} - 7 x

Füge eine Konstante zur Lösung hinzu

= \frac{x ^{4}}{4} + x^{2} - 7 x + C

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