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Beliebt Rechnen >

integral of (4x-7)/((x-2)^2)

Lösung

\int \frac{4 x - 7}{( x - 2 ) ^{2}} d x

Lösung

4 ln ∣ x - 2 ∣ - \frac{1}{x - 2} + C

Schritte zur Lösung

\int \frac{4 x - 7}{( x - 2 ) ^{2}} d x

Multipliziere aus

\frac{4 x - 7}{( x - 2 ) ^{2}} : \frac{4 x}{( x - 2 ) ^{2}} - \frac{7}{( x - 2 ) ^{2}}

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int \frac{4 x}{( x - 2 ) ^{2}} d x - \int \frac{7}{( x - 2 ) ^{2}} d x

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

\int \frac{7}{( x - 2 ) ^{2}} d x = - \frac{7}{x - 2}

= 4 (ln ∣ x - 2 ∣ - \frac{2}{x - 2}) - (- \frac{7}{x - 2})

Vereinfache

4 (ln ∣ x - 2 ∣ - \frac{2}{x - 2}) - (- \frac{7}{x - 2}) : 4 ln ∣ x - 2 ∣ - \frac{1}{x - 2}

= 4 ln ∣ x - 2 ∣ - \frac{1}{x - 2}

Füge eine Konstante zur Lösung hinzu

= 4 ln ∣ x - 2 ∣ - \frac{1}{x - 2} + C

Graph

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