integral from 1 to 4 of (x-3)/(sqrt(x))

Lösung

\int_{1}^{4} \frac{x - 3}{x} d x

- \frac{4}{3}

Dezimale

- 1.33333 \dots

Schritte zur Lösung

\int_{1}^{4} \frac{x - 3}{x} d x

Multipliziere aus

\frac{x - 3}{x} : x - \frac{3}{x}

= \int_{1}^{4} 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_{1}^{4} x d x - \int_{1}^{4} \frac{3}{x} d x

\int_{1}^{4} x d x = \frac{14}{3}

\int_{1}^{4} \frac{3}{x} d x = 6

= \frac{14}{3} - 6

Vereinfache

\frac{14}{3} - 6 : - \frac{4}{3}

= - \frac{4}{3}

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