integral from 3 to 5 of 6x^2(x^3+4)

Lösung

\int_{3}^{5} 6 x^{2} (x^{3} + 4) d x

15680

Schritte zur Lösung

\int_{3}^{5} 6 x^{2} (x^{3} + 4) d x

Entferne die Konstante:

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

= 6 \cdot \int_{3}^{5} x^{2} (x^{3} + 4) d x

Multipliziere aus

x^{2} (x^{3} + 4) : x^{5} + 4 x^{2}

= 6 \cdot \int_{3}^{5} x^{5} + 4 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

= 6 (\int_{3}^{5} x^{5} d x + \int_{3}^{5} 4 x^{2} d x)

\int_{3}^{5} x^{5} d x = \frac{7448}{3}

\int_{3}^{5} 4 x^{2} d x = \frac{392}{3}

= 6 (\frac{7448}{3} + \frac{392}{3})

Vereinfache

6 (\frac{7448}{3} + \frac{392}{3}) : 15680

= 15680

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