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Beliebt Rechnen >

integral of sqrt(1+\sqrt{w)}

Lösung

\int 1 + w d w

Lösung

2 (\frac{2}{5} (1 + w)^{\frac{5}{2}} - \frac{2}{3} (1 + w)^{\frac{3}{2}}) + C

Schritte zur Lösung

\int 1 + w d w

Wende U-Substitution an

= \int u \cdot 2 (u - 1) d u

Entferne die Konstante:

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

= 2 \cdot \int u (u - 1) d u

Multipliziere aus

u (u - 1) : u^{\frac{3}{2}} - u

= 2 \cdot \int u^{\frac{3}{2}} - 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

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

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

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

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

Setze in

u = 1 + w

ein

= 2 (\frac{2}{5} (1 + w)^{\frac{5}{2}} - \frac{2}{3} (1 + w)^{\frac{3}{2}})

Füge eine Konstante zur Lösung hinzu

= 2 (\frac{2}{5} (1 + w)^{\frac{5}{2}} - \frac{2}{3} (1 + w)^{\frac{3}{2}}) + C

Graph

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