What is the integral from 1 to 4 of 4sqrt(x) ?

The integral from 1 to 4 of 4sqrt(x) is 56/3

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integral from 1 to 4 of 4sqrt(x)

\int_{1}^{4} 4 x d x

\frac{56}{3}

Decimal

18.66666 \dots

Solution steps

\int_{1}^{4} 4 x d x

Take the constant out:

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

= 4 \cdot \int_{1}^{4} x d x

Apply the Power Rule

= 4 [\frac{2}{3} x^{\frac{3}{2}}]_{1}^{4}

Compute the boundaries:

\frac{14}{3}

= 4 \cdot \frac{14}{3}

Simplify

= \frac{56}{3}

What is the integral from 1 to 4 of 4sqrt(x) ?
The integral from 1 to 4 of 4sqrt(x) is 56/3