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Beliebt Rechnen >

integral of (6x^2-3x+2)/(x^3-x^2)

Lösung

\int \frac{6 x ^{2} - 3 x + 2}{x ^{3} - x ^{2}} d x

Lösung

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

Schritte zur Lösung

\int \frac{6 x ^{2} - 3 x + 2}{x ^{3} - x ^{2}} d x

Multipliziere aus

\frac{6 x ^{2} - 3 x + 2}{x ^{3} - x ^{2}} : \frac{6 x ^{2}}{x ^{3} - x ^{2}} - \frac{3 x}{x ^{3} - x ^{2}} + \frac{2}{x ^{3} - x ^{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{6 x ^{2}}{x ^{3} - x ^{2}} d x - \int \frac{3 x}{x ^{3} - x ^{2}} d x + \int \frac{2}{x ^{3} - x ^{2}} d x

\int \frac{6 x ^{2}}{x ^{3} - x ^{2}} d x = 6 ln ∣ x - 1 ∣

\int \frac{3 x}{x ^{3} - x ^{2}} d x = 3 (- ln ∣ x ∣ + ln ∣ x - 1 ∣)

\int \frac{2}{x ^{3} - x ^{2}} d x = 2 (- ln ∣ x ∣ + \frac{1}{x} + ln ∣ x - 1 ∣)

= 6 ln ∣ x - 1 ∣ - 3 (- ln ∣ x ∣ + ln ∣ x - 1 ∣) + 2 (- ln ∣ x ∣ + \frac{1}{x} + ln ∣ x - 1 ∣)

Vereinfache

6 ln ∣ x - 1 ∣ - 3 (- ln ∣ x ∣ + ln ∣ x - 1 ∣) + 2 (- ln ∣ x ∣ + \frac{1}{x} + ln ∣ x - 1 ∣) : 5 ln ∣ x - 1 ∣ + ln ∣ x ∣ + \frac{2}{x}

= 5 ln ∣ x - 1 ∣ + ln ∣ x ∣ + \frac{2}{x}

Füge eine Konstante zur Lösung hinzu

= 5 ln ∣ x - 1 ∣ + ln ∣ x ∣ + \frac{2}{x} + C

Graph

Beliebte Beispiele

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