integral from 0 to 1 of x/((x+1)^2)

Lösung

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

ln (2) - \frac{1}{2}

Dezimale

0.19314 \dots

Schritte zur Lösung

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

Wende U-Substitution an

= \int_{1}^{2} \frac{u - 1}{u ^{2}} d u

Multipliziere aus

\frac{u - 1}{u ^{2}} : \frac{1}{u} - \frac{1}{u ^{2}}

= \int_{1}^{2} \frac{1}{u} - \frac{1}{u ^{2}} d u

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}^{2} \frac{1}{u} d u - \int_{1}^{2} \frac{1}{u ^{2}} d u

\int_{1}^{2} \frac{1}{u} d u = ln (2)

\int_{1}^{2} \frac{1}{u ^{2}} d u = \frac{1}{2}

= ln (2) - \frac{1}{2}

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