integral from 0 to 8 of x^2-8x

Lösung

\int_{0}^{8} x^{2} - 8 x d x

- \frac{256}{3}

Dezimale

- 85.33333 \dots

Schritte zur Lösung

\int_{0}^{8} x^{2} - 8 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

= \int_{0}^{8} x^{2} d x - \int_{0}^{8} 8 x d x

\int_{0}^{8} x^{2} d x = \frac{512}{3}

\int_{0}^{8} 8 x d x = 256

= \frac{512}{3} - 256

Vereinfache

\frac{512}{3} - 256 : - \frac{256}{3}

= - \frac{256}{3}

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