integral of (4x^2-5)^28x

Lösung

\int (4 x^{2} - 5)^{2} 8 x d x

8 (\frac{8 x ^{6}}{3} - 10 x^{4} + \frac{25 x ^{2}}{2}) + C

Schritte zur Lösung

\int (4 x^{2} - 5)^{2} \cdot 8 x d x

Entferne die Konstante:

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

= 8 \cdot \int (4 x^{2} - 5)^{2} x d x

Multipliziere aus

(4 x^{2} - 5)^{2} x : 16 x^{5} - 40 x^{3} + 25 x

= 8 \cdot \int 16 x^{5} - 40 x^{3} + 25 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

= 8 (\int 16 x^{5} d x - \int 40 x^{3} d x + \int 25 x d x)

\int 16 x^{5} d x = \frac{8 x ^{6}}{3}

\int 40 x^{3} d x = 10 x^{4}

\int 25 x d x = \frac{25 x ^{2}}{2}

= 8 (\frac{8 x ^{6}}{3} - 10 x^{4} + \frac{25 x ^{2}}{2})

Füge eine Konstante zur Lösung hinzu

= 8 (\frac{8 x ^{6}}{3} - 10 x^{4} + \frac{25 x ^{2}}{2}) + C

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