integral of (2x^2-x+3)/(sqrt(x))

Lösung

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

\frac{4}{5} x^{\frac{5}{2}} - \frac{2}{3} x^{\frac{3}{2}} + 6 x + C

Schritte zur Lösung

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

Multipliziere aus

\frac{2 x ^{2} - x + 3}{x} : 2 x^{\frac{3}{2}} - x + \frac{3}{x}

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

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

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

\int \frac{3}{x} d x = 6 x

= \frac{4}{5} x^{\frac{5}{2}} - \frac{2}{3} x^{\frac{3}{2}} + 6 x

Füge eine Konstante zur Lösung hinzu

= \frac{4}{5} x^{\frac{5}{2}} - \frac{2}{3} x^{\frac{3}{2}} + 6 x + C

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