integral from-1 to 1 of 2x^2+2/3

Lösung

\int_{- 1}^{1} 2 x^{2} + \frac{2}{3} d x

\frac{8}{3}

Dezimale

2.66666 \dots

Schritte zur Lösung

\int_{- 1}^{1} 2 x^{2} + \frac{2}{3} 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_{- 1}^{1} 2 x^{2} d x + \int_{- 1}^{1} \frac{2}{3} d x

\int_{- 1}^{1} 2 x^{2} d x = \frac{4}{3}

\int_{- 1}^{1} \frac{2}{3} d x = \frac{4}{3}

= \frac{4}{3} + \frac{4}{3}

Vereinfache

\frac{4}{3} + \frac{4}{3} : \frac{8}{3}

= \frac{8}{3}

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