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Beliebt Rechnen >

integral of x(x^2+2)

Lösung

\int x (x^{2} + 2) d x

Lösung

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

Schritte zur Lösung

\int x (x^{2} + 2) d x

Multipliziere aus

x (x^{2} + 2) : x^{3} + 2 x

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

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

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

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

Füge eine Konstante zur Lösung hinzu

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

Graph

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