What is the integral from 0 to 4 of (11-x)sqrt(x) ?

The integral from 0 to 4 of (11-x)sqrt(x) is 688/15

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integral from 0 to 4 of (11-x)sqrt(x)

\int_{0}^{4} (11 - x) x d x

\frac{688}{15}

Solution steps

\int_{0}^{4} (11 - x) x d x

Expand

(11 - x) x : 11 x - x^{\frac{3}{2}}

= \int_{0}^{4} 11 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} 11 x d x - \int_{0}^{4} x^{\frac{3}{2}} d x

\int_{0}^{4} 11 x d x = \frac{176}{3}

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

= \frac{176}{3} - \frac{64}{5}

Simplify

\frac{176}{3} - \frac{64}{5} : \frac{688}{15}

= \frac{688}{15}

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What is the integral from 0 to 4 of (11-x)sqrt(x) ?
The integral from 0 to 4 of (11-x)sqrt(x) is 688/15