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Beliebt Rechnen >

integral of (sqrt(81x^2-49))/(x^3)

Lösung

\int \frac{81 x ^{2} - 49}{x ^{3}} d x

Lösung

- \frac{81 x ^{2} - 49}{2 x ^{2}} + \frac{81}{14} arcsec (\frac{9}{7} x) + C

Schritte zur Lösung

\int \frac{81 x ^{2} - 49}{x ^{3}} d x

Wende die partielle Integration an

= - \frac{81 x ^{2} - 49}{2 x ^{2}} - \int - \frac{81}{2 x 81 x ^{2} - 49} d x

\int - \frac{81}{2 x 81 x ^{2} - 49} d x = - \frac{81}{14} arcsec (\frac{9}{7} x)

= - \frac{81 x ^{2} - 49}{2 x ^{2}} - (- \frac{81}{14} arcsec (\frac{9}{7} x))

Vereinfache

= - \frac{81 x ^{2} - 49}{2 x ^{2}} + \frac{81}{14} arcsec (\frac{9}{7} x)

Füge eine Konstante zur Lösung hinzu

= - \frac{81 x ^{2} - 49}{2 x ^{2}} + \frac{81}{14} arcsec (\frac{9}{7} x) + C

Graph

Beliebte Beispiele

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