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Beliebt Rechnen >

integral from-2 to 1 of x^2e^{x^3+8}

Lösung

\int_{- 2}^{1} x^{2} e^{x^{3} + 8} d x

Lösung

\frac{e ^{9} - 1}{3}

+1

Dezimale

2700.69464 \dots

Schritte zur Lösung

\int_{- 2}^{1} x^{2} e^{x^{3} + 8} d x

Wende U-Substitution an

= \int_{0}^{9} \frac{e ^{u}}{3} d u

Entferne die Konstante:

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

= \frac{1}{3} \cdot \int_{0}^{9} e^{u} d u

Nutze das gemeinsame Integral :

\int e^{u} d u = e^{u}

= \frac{1}{3} [e^{u}]_{0}^{9}

Berechne die Grenzen:

e^{9} - 1

= \frac{1}{3} (e^{9} - 1)

Vereinfache

= \frac{e ^{9} - 1}{3}

Graph

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