What is the integral from 0 to 4 of (7-x)sqrt(x) ?

The integral from 0 to 4 of (7-x)sqrt(x) is 368/15

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integral from 0 to 4 of (7-x)sqrt(x)

\int_{0}^{4} (7 - x) x d x

\frac{368}{15}

Decimal Notation

24.53333 \dots

Solution steps

\int_{0}^{4} (7 - x) x d x

Expand

(7 - x) x : 7 x - x^{\frac{3}{2}}

= \int_{0}^{4} 7 x - x^{\frac{3}{2}} d x

Apply the Sum Rule:

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

= \int_{0}^{4} 7 x d x - \int_{0}^{4} x^{\frac{3}{2}} d x

\int_{0}^{4} 7 x d x = \frac{112}{3}

\int_{0}^{4} x^{\frac{3}{2}} d x = \frac{64}{5}

= \frac{112}{3} - \frac{64}{5}

Simplify

\frac{112}{3} - \frac{64}{5} : \frac{368}{15}

= \frac{368}{15}

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What is the integral from 0 to 4 of (7-x)sqrt(x) ?
The integral from 0 to 4 of (7-x)sqrt(x) is 368/15