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Beliebt Rechnen >

integral of (2x+5)/((x+3)^3)

Lösung

\int \frac{2 x + 5}{( x + 3 ) ^{3}} d x

Lösung

- \frac{2}{x + 3} + \frac{3}{( x + 3 ) ^{2}} - \frac{5}{2 ( x + 3 ) ^{2}} + C

Schritte zur Lösung

\int \frac{2 x + 5}{( x + 3 ) ^{3}} d x

Multipliziere aus

\frac{2 x + 5}{( x + 3 ) ^{3}} : \frac{2 x}{( x + 3 ) ^{3}} + \frac{5}{( x + 3 ) ^{3}}

= \int \frac{2 x}{( x + 3 ) ^{3}} + \frac{5}{( x + 3 ) ^{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{2 x}{( x + 3 ) ^{3}} d x + \int \frac{5}{( x + 3 ) ^{3}} d x

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

\int \frac{5}{( x + 3 ) ^{3}} d x = - \frac{5}{2 ( x + 3 ) ^{2}}

= - \frac{2}{x + 3} + \frac{3}{( x + 3 ) ^{2}} - \frac{5}{2 ( x + 3 ) ^{2}}

Füge eine Konstante zur Lösung hinzu

= - \frac{2}{x + 3} + \frac{3}{( x + 3 ) ^{2}} - \frac{5}{2 ( x + 3 ) ^{2}} + C

Graph

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