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Beliebt Rechnen >

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

Lösung

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

Lösung

\frac{( x - 2 ) ^{2}}{2} + 4 (x - 2) + 4 ln ∣ x - 2 ∣ + C

Schritte zur Lösung

\int \frac{x ^{2}}{x - 2} d x

Wende U-Substitution an

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

Multipliziere aus

\frac{( u + 2 ) ^{2}}{u} : u + 4 + \frac{4}{u}

= \int u + 4 + \frac{4}{u} 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 u d u + \int 4 d u + \int \frac{4}{u} d u

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

\int 4 d u = 4 u

\int \frac{4}{u} d u = 4 ln ∣ u ∣

= \frac{u ^{2}}{2} + 4 u + 4 ln ∣ u ∣

Setze in

u = x - 2

ein

= \frac{( x - 2 ) ^{2}}{2} + 4 (x - 2) + 4 ln ∣ x - 2 ∣

Füge eine Konstante zur Lösung hinzu

= \frac{( x - 2 ) ^{2}}{2} + 4 (x - 2) + 4 ln ∣ x - 2 ∣ + C

Graph

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