integral from 0 to a of e^{7x}

Lösung

\int_{0}^{a} e^{7 x} d x

\frac{1}{7} (e^{7 a} - 1)

Schritte zur Lösung

\int_{0}^{a} e^{7 x} d x

Wende U-Substitution an

= \int_{0}^{7 a} e^{u} \frac{1}{7} d u

Entferne die Konstante:

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

= \frac{1}{7} \cdot \int_{0}^{7 a} e^{u} d u

Nutze das gemeinsame Integral :

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

= \frac{1}{7} [e^{u}]_{0}^{7 a}

Berechne die Grenzen:

e^{7 a} - 1

= \frac{1}{7} (e^{7 a} - 1)

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