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Beliebt Rechnen >

integral of 1/(xsqrt(6-x^2))

Lösung

\int \frac{1}{x 6 - x ^{2}} d x

Lösung

- \frac{1}{2 6} (ln \frac{6 - x ^{2}}{6} + 1 - ln \frac{6 - x ^{2}}{6} - 1) + C

Schritte zur Lösung

\int \frac{1}{x 6 - x ^{2}} d x

Wende U-Substitution an

= \int - \frac{1}{- u ^{2} + 6} d u

Entferne die Konstante:

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

= - \int \frac{1}{- u ^{2} + 6} d u

Wende integrale Substitution an

= - \int \frac{1}{6 ( - v ^{2} + 1 )} d v

Entferne die Konstante:

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

= - \frac{1}{6} \cdot \int \frac{1}{- v ^{2} + 1} d v

Nutze das gemeinsame Integral :

\int \frac{1}{- v ^{2} + 1} d v = \frac{ln ∣ v + 1 ∣}{2} - \frac{ln ∣ v - 1 ∣}{2}

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

Ersetze zurück

= - \frac{1}{6} \frac{ln \frac{6 - x ^{2}}{6} + 1}{2} - \frac{ln \frac{6 - x ^{2}}{6} - 1}{2}

Vereinfache

- \frac{1}{6} \frac{ln \frac{6 - x ^{2}}{6} + 1}{2} - \frac{ln \frac{6 - x ^{2}}{6} - 1}{2} : - \frac{1}{2 6} (ln \frac{6 - x ^{2}}{6} + 1 - ln \frac{6 - x ^{2}}{6} - 1)

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

Füge eine Konstante zur Lösung hinzu

= - \frac{1}{2 6} (ln \frac{6 - x ^{2}}{6} + 1 - ln \frac{6 - x ^{2}}{6} - 1) + C

Graph

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