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Beliebt Rechnen >

integral of 4xsqrt(x-3)

Lösung

\int 4 x x - 3 d x

Lösung

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

Schritte zur Lösung

\int 4 x x - 3 d x

Entferne die Konstante:

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

= 4 \cdot \int x x - 3 d x

Wende U-Substitution an

= 4 \cdot \int (u + 3) u d u

Multipliziere aus

(u + 3) u : u^{\frac{3}{2}} + 3 u

= 4 \cdot \int u^{\frac{3}{2}} + 3 u d u

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= 4 (\int u^{\frac{3}{2}} d u + \int 3 u d u)

\int u^{\frac{3}{2}} d u = \frac{2}{5} u^{\frac{5}{2}}

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

= 4 (\frac{2}{5} u^{\frac{5}{2}} + 2 u^{\frac{3}{2}})

Setze in

u = x - 3

ein

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

Füge eine Konstante zur Lösung hinzu

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

Graph

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\int x (3 x^{2} + 9)^{5} d x

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\int \frac{( x ^{2} )}{( x ^{2} + 1 ) ^{2}} d x

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

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