What is the integral from 0 to 1/2 of 4e^{2x} ?

The integral from 0 to 1/2 of 4e^{2x} is 2(e-1)

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integral from 0 to 1/2 of 4e^{2x}

\int_{0}^{\frac{1}{2}} 4 e^{2 x} d x

2 (e - 1)

Decimal Notation

3.43656 \dots

Solution steps

\int_{0}^{\frac{1}{2}} 4 e^{2 x} d x

Take the constant out:

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

= 4 \cdot \int_{0}^{\frac{1}{2}} e^{2 x} d x

Apply u-substitution

: \int_{0}^{1} e^{u} \frac{1}{2} d u

= 4 \cdot \int_{0}^{1} e^{u} \frac{1}{2} d u

Take the constant out:

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

= 4 \cdot \frac{1}{2} \cdot \int_{0}^{1} e^{u} d u

Use the common integral:

\int e^{u} d u = e^{u}

= 4 \cdot \frac{1}{2} [e^{u}]_{0}^{1}

Simplify

4 \cdot \frac{1}{2} [e^{u}]_{0}^{1} : 2 [e^{u}]_{0}^{1}

= 2 [e^{u}]_{0}^{1}

Compute the boundaries:

e - 1

= 2 (e - 1)

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What is the integral from 0 to 1/2 of 4e^{2x} ?
The integral from 0 to 1/2 of 4e^{2x} is 2(e-1)