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Beliebt Rechnen >

integral of (5x)/((x-2)^2)

Lösung

\int \frac{5 x}{( x - 2 ) ^{2}} d x

Lösung

5 (ln ∣ x - 2 ∣ - \frac{2}{x - 2}) + C

Schritte zur Lösung

\int \frac{5 x}{( x - 2 ) ^{2}} d x

Entferne die Konstante:

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

= 5 \cdot \int \frac{x}{( x - 2 ) ^{2}} d x

Wende U-Substitution an

= 5 \cdot \int \frac{u + 2}{u ^{2}} d u

Multipliziere aus

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

= 5 \cdot \int \frac{1}{u} + \frac{2}{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

= 5 (\int \frac{1}{u} d u + \int \frac{2}{u ^{2}} d u)

\int \frac{1}{u} d u = ln ∣ u ∣

\int \frac{2}{u ^{2}} d u = - \frac{2}{u}

= 5 (ln ∣ u ∣ - \frac{2}{u})

Setze in

u = x - 2

ein

= 5 (ln ∣ x - 2 ∣ - \frac{2}{x - 2})

Füge eine Konstante zur Lösung hinzu

= 5 (ln ∣ x - 2 ∣ - \frac{2}{x - 2}) + C

Graph

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