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Beliebt Rechnen >

integral of x^2(2x+1)

Lösung

\int x^{2} (2 x + 1) d x

Lösung

\frac{x ^{4}}{2} + \frac{x ^{3}}{3} + C

Schritte zur Lösung

\int x^{2} (2 x + 1) d x

Multipliziere aus

x^{2} (2 x + 1) : 2 x^{3} + x^{2}

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

\int 2 x^{3} d x = \frac{x ^{4}}{2}

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

= \frac{x ^{4}}{2} + \frac{x ^{3}}{3}

Füge eine Konstante zur Lösung hinzu

= \frac{x ^{4}}{2} + \frac{x ^{3}}{3} + C

Graph

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