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Beliebt Rechnen >

integral of (((sqrt(s)-2)^2)/(4s^2))

Lösung

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

Lösung

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

Schritte zur Lösung

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

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= \frac{1}{4} \cdot \int \frac{( s - 2 ) ^{2}}{s ^{2}} d s

Multipliziere aus

\frac{( s - 2 ) ^{2}}{s ^{2}} : \frac{1}{s} - \frac{4}{s ^{\frac{3}{2}}} + \frac{4}{s ^{2}}

= \frac{1}{4} \cdot \int \frac{1}{s} - \frac{4}{s ^{\frac{3}{2}}} + \frac{4}{s ^{2}} d s

Wende die Summenregel an:

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

= \frac{1}{4} (\int \frac{1}{s} d s - \int \frac{4}{s ^{\frac{3}{2}}} d s + \int \frac{4}{s ^{2}} d s)

\int \frac{1}{s} d s = ln ∣ s ∣

\int \frac{4}{s ^{\frac{3}{2}}} d s = - \frac{8}{s}

\int \frac{4}{s ^{2}} d s = - \frac{4}{s}

= \frac{1}{4} (ln ∣ s ∣ - (- \frac{8}{s}) - \frac{4}{s})

Vereinfache

\frac{1}{4} (ln ∣ s ∣ - (- \frac{8}{s}) - \frac{4}{s}) : \frac{1}{4} ln ∣ s ∣ + \frac{2}{s} - \frac{1}{s}

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

Füge eine Konstante zur Lösung hinzu

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

Graph

Beliebte Beispiele

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\int 2 arccos (4 x) d x

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