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Beliebt Rechnen >

integral from 1 to 4 of pi(sqrt(x-1))^2

Lösung

\int_{1}^{4} π (x - 1)^{2} d x

Lösung

π \frac{9}{2}

+1

Dezimale

14.13716 \dots

Schritte zur Lösung

\int_{1}^{4} π (x - 1)^{2} d x

Entferne die Konstante:

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

= π \cdot \int_{1}^{4} (x - 1)^{2} d x

Vereinfache

(x - 1)^{2} : x - 1

= π \cdot \int_{1}^{4} x - 1 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

= π (\int_{1}^{4} x d x - \int_{1}^{4} 1 d x)

\int_{1}^{4} x d x = \frac{15}{2}

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

= π (\frac{15}{2} - 3)

Füge

\frac{15}{2} - 3

zusammen:

\frac{9}{2}

= π \frac{9}{2}

Graph

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