What is the integral from 1 to 9 of 3sqrt(x) ?

The integral from 1 to 9 of 3sqrt(x) is 52

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integral from 1 to 9 of 3sqrt(x)

\int_{1}^{9} 3 x d x

52

Solution steps

\int_{1}^{9} 3 x d x

Take the constant out:

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

= 3 \cdot \int_{1}^{9} x d x

Apply the Power Rule

: [\frac{2}{3} x^{\frac{3}{2}}]_{1}^{9}

= 3 [\frac{2}{3} x^{\frac{3}{2}}]_{1}^{9}

Compute the boundaries:

\frac{52}{3}

= 3 \cdot \frac{52}{3}

Simplify

= 52

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What is the integral from 1 to 9 of 3sqrt(x) ?
The integral from 1 to 9 of 3sqrt(x) is 52