integral from 1 to 6 of (6/x-e^{-x})

Lösung

\int_{1}^{6} (\frac{6}{x} - e^{- x}) d x

6 ln (6) - \frac{1}{e} + \frac{1}{e ^{6}}

Dezimale

10.38515 \dots

Schritte zur Lösung

\int_{1}^{6} \frac{6}{x} - e^{- x} 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}^{6} \frac{6}{x} d x - \int_{1}^{6} e^{- x} d x

\int_{1}^{6} \frac{6}{x} d x = 6 ln (6)

\int_{1}^{6} e^{- x} d x = \frac{1}{e} - \frac{1}{e ^{6}}

= 6 ln (6) - (\frac{1}{e} - \frac{1}{e ^{6}})

Vereinfache

= 6 ln (6) - \frac{1}{e} + \frac{1}{e ^{6}}

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