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Beliebt Rechnen >

integral from 0 to 1 of x^2(x+1)^6

Lösung

\int_{0}^{1} x^{2} (x + 1)^{6} d x

Lösung

\frac{2815}{252}

+1

Dezimale

11.17063 \dots

Schritte zur Lösung

\int_{0}^{1} x^{2} (x + 1)^{6} d x

Multipliziere aus

x^{2} (x + 1)^{6} : x^{8} + 6 x^{7} + 15 x^{6} + 20 x^{5} + 15 x^{4} + 6 x^{3} + x^{2}

= \int_{0}^{1} x^{8} + 6 x^{7} + 15 x^{6} + 20 x^{5} + 15 x^{4} + 6 x^{3} + 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

= \int_{0}^{1} x^{8} d x + \int_{0}^{1} 6 x^{7} d x + \int_{0}^{1} 15 x^{6} d x + \int_{0}^{1} 20 x^{5} d x + \int_{0}^{1} 15 x^{4} d x + \int_{0}^{1} 6 x^{3} d x + \int_{0}^{1} x^{2} d x

\int_{0}^{1} x^{8} d x = \frac{1}{9}

\int_{0}^{1} 6 x^{7} d x = \frac{3}{4}

\int_{0}^{1} 15 x^{6} d x = \frac{15}{7}

\int_{0}^{1} 20 x^{5} d x = \frac{10}{3}

\int_{0}^{1} 15 x^{4} d x = 3

\int_{0}^{1} 6 x^{3} d x = \frac{3}{2}

\int_{0}^{1} x^{2} d x = \frac{1}{3}

= \frac{1}{9} + \frac{3}{4} + \frac{15}{7} + \frac{10}{3} + 3 + \frac{3}{2} + \frac{1}{3}

Vereinfache

\frac{1}{9} + \frac{3}{4} + \frac{15}{7} + \frac{10}{3} + 3 + \frac{3}{2} + \frac{1}{3} : \frac{2815}{252}

= \frac{2815}{252}

Graph

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