integral from 0 to 1 of (e^{-2x}+x-1)

Lösung

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

- \frac{1}{2 e ^{2}}

Dezimale

- 0.06766 \dots

Schritte zur Lösung

\int_{0}^{1} e^{- 2 x} + 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

= \int_{0}^{1} e^{- 2 x} d x + \int_{0}^{1} x d x - \int_{0}^{1} 1 d x

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

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

\int_{0}^{1} 1 d x = 1

= \frac{e ^{2} - 1}{2 e ^{2}} + \frac{1}{2} - 1

Vereinfache

\frac{e ^{2} - 1}{2 e ^{2}} + \frac{1}{2} - 1 : - \frac{1}{2 e ^{2}}

= - \frac{1}{2 e ^{2}}

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