integral of (4x+1)sqrt(x-5)

Lösung

\int (4 x + 1) x - 5 d x

\frac{8}{5} (x - 5)^{\frac{5}{2}} + 14 (x - 5)^{\frac{3}{2}} + C

Schritte zur Lösung

\int (4 x + 1) x - 5 d x

Multipliziere aus

(4 x + 1) x - 5 : 4 x x - 5 + x - 5

= \int 4 x x - 5 + x - 5 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 4 x x - 5 d x + \int x - 5 d x

\int 4 x x - 5 d x = 4 (\frac{2}{5} (x - 5)^{\frac{5}{2}} + \frac{10}{3} (x - 5)^{\frac{3}{2}})

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

= 4 (\frac{2}{5} (x - 5)^{\frac{5}{2}} + \frac{10}{3} (x - 5)^{\frac{3}{2}}) + \frac{2}{3} (x - 5)^{\frac{3}{2}}

Vereinfache

4 (\frac{2}{5} (x - 5)^{\frac{5}{2}} + \frac{10}{3} (x - 5)^{\frac{3}{2}}) + \frac{2}{3} (x - 5)^{\frac{3}{2}} : \frac{8}{5} (x - 5)^{\frac{5}{2}} + 14 (x - 5)^{\frac{3}{2}}

= \frac{8}{5} (x - 5)^{\frac{5}{2}} + 14 (x - 5)^{\frac{3}{2}}

Füge eine Konstante zur Lösung hinzu

= \frac{8}{5} (x - 5)^{\frac{5}{2}} + 14 (x - 5)^{\frac{3}{2}} + C

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