integral from 0 to 5/4 of sqrt(1+9x)

Lösung

\int_{0}^{\frac{5}{4}} 1 + 9 x d x

\frac{335}{108}

Dezimale

3.10185 \dots

Schritte zur Lösung

\int_{0}^{\frac{5}{4}} 1 + 9 x d x

Wende U-Substitution an

= \int_{1}^{\frac{49}{4}} \frac{u}{9} d u

Entferne die Konstante:

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

= \frac{1}{9} \cdot \int_{1}^{\frac{49}{4}} u d u

Wende die Potenzregel an

= \frac{1}{9} [\frac{2}{3} u^{\frac{3}{2}}]_{1}^{\frac{49}{4}}

Berechne die Grenzen:

\frac{335}{12}

= \frac{1}{9} \cdot \frac{335}{12}

Vereinfache

= \frac{335}{108}

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