What is the integral from 1/4 to 1/2 of 4x ?

The integral from 1/4 to 1/2 of 4x is 3/8

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integral from 1/4 to 1/2 of 4x

\int_{\frac{1}{4}}^{\frac{1}{2}} 4 x d x

\frac{3}{8}

Decimal

0.375

Solution steps

\int_{\frac{1}{4}}^{\frac{1}{2}} 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_{\frac{1}{4}}^{\frac{1}{2}} x d x

Apply the Power Rule

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

Compute the boundaries:

\frac{3}{32}

= 4 \cdot \frac{3}{32}

Simplify

= \frac{3}{8}

What is the integral from 1/4 to 1/2 of 4x ?
The integral from 1/4 to 1/2 of 4x is 3/8