integral from 0 to 2 of (2x-3)(4x^2+5)

Lösung

\int_{0}^{2} (2 x - 3) (4 x^{2} + 5) d x

- 10

Schritte zur Lösung

\int_{0}^{2} (2 x - 3) (4 x^{2} + 5) d x

Multipliziere aus

(2 x - 3) (4 x^{2} + 5) : 8 x^{3} + 10 x - 12 x^{2} - 15

= \int_{0}^{2} 8 x^{3} + 10 x - 12 x^{2} - 15 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_{0}^{2} 8 x^{3} d x + \int_{0}^{2} 10 x d x - \int_{0}^{2} 12 x^{2} d x - \int_{0}^{2} 15 d x

\int_{0}^{2} 8 x^{3} d x = 32

\int_{0}^{2} 10 x d x = 20

\int_{0}^{2} 12 x^{2} d x = 32

\int_{0}^{2} 15 d x = 30

= 32 + 20 - 32 - 30

Vereinfache

= - 10

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