integral of (x^{5/2}+2x^{3/2}-x)

Lösung

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

\frac{2}{7} x^{\frac{7}{2}} + \frac{4}{5} x^{\frac{5}{2}} - \frac{x ^{2}}{2} + C

Schritte zur Lösung

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

\int x^{\frac{5}{2}} d x = \frac{2}{7} x^{\frac{7}{2}}

\int 2 x^{\frac{3}{2}} d x = \frac{4}{5} x^{\frac{5}{2}}

\int x d x = \frac{x ^{2}}{2}

= \frac{2}{7} x^{\frac{7}{2}} + \frac{4}{5} x^{\frac{5}{2}} - \frac{x ^{2}}{2}

Füge eine Konstante zur Lösung hinzu

= \frac{2}{7} x^{\frac{7}{2}} + \frac{4}{5} x^{\frac{5}{2}} - \frac{x ^{2}}{2} + C

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