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Beliebt Rechnen >

integral of 3x^2(2x^2-5)

Lösung

\int 3 x^{2} (2 x^{2} - 5) d x

Lösung

2 x^{5} - 5 x^{3} - \frac{4 x ^{5}}{5} + C

Schritte zur Lösung

\int 3 x^{2} (2 x^{2} - 5) d x

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 3 \cdot \int x^{2} (2 x^{2} - 5) d x

Wende die partielle Integration an

= 3 (\frac{1}{3} x^{3} (2 x^{2} - 5) - \int \frac{4 x ^{4}}{3} d x)

\int \frac{4 x ^{4}}{3} d x = \frac{4 x ^{5}}{15}

= 3 (\frac{1}{3} x^{3} (2 x^{2} - 5) - \frac{4 x ^{5}}{15})

Vereinfache

3 (\frac{1}{3} x^{3} (2 x^{2} - 5) - \frac{4 x ^{5}}{15}) : 2 x^{5} - 5 x^{3} - \frac{4 x ^{5}}{5}

= 2 x^{5} - 5 x^{3} - \frac{4 x ^{5}}{5}

Füge eine Konstante zur Lösung hinzu

= 2 x^{5} - 5 x^{3} - \frac{4 x ^{5}}{5} + C

Graph

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