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Beliebt Rechnen >

integral of (12x+24)/(x^2+4x+3)

Lösung

\int \frac{12 x + 24}{x ^{2} + 4 x + 3} d x

Lösung

6 ln ∣ x + 1 ∣ + 6 ln ∣ x + 3 ∣ + C

Schritte zur Lösung

\int \frac{12 x + 24}{x ^{2} + 4 x + 3} d x

Ermittle den Partialbruch von

\frac{12 x + 24}{x ^{2} + 4 x + 3} : \frac{6}{x + 1} + \frac{6}{x + 3}

= \int \frac{6}{x + 1} + \frac{6}{x + 3} d x

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 + 1} d x + \int \frac{6}{x + 3} d x

\int \frac{6}{x + 1} d x = 6 ln ∣ x + 1 ∣

\int \frac{6}{x + 3} d x = 6 ln ∣ x + 3 ∣

= 6 ln ∣ x + 1 ∣ + 6 ln ∣ x + 3 ∣

Füge eine Konstante zur Lösung hinzu

= 6 ln ∣ x + 1 ∣ + 6 ln ∣ x + 3 ∣ + C

Graph

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