What is the integral of (3e^{2x})/(sqrt(1-e^{2x))} ?

The integral of (3e^{2x})/(sqrt(1-e^{2x))} is -3sqrt(1-e^{2x)}+C

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integral of (3e^{2x})/(sqrt(1-e^{2x))}

\int \frac{3 e ^{2 x}}{1 - e ^{2 x}} d x

- 3 1 - e^{2 x} + C

Solution steps

\int \frac{3 e ^{2 x}}{1 - e ^{2 x}} d x

Take the constant out:

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

= 3 \cdot \int \frac{e ^{2 x}}{1 - e ^{2 x}} d x

Apply u-substitution

: \int - \frac{1}{2 u} d u

= 3 \cdot \int - \frac{1}{2 u} d u

Take the constant out:

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

= 3 (- \frac{1}{2} \cdot \int \frac{1}{u} d u)

Apply the Power Rule

: 2 u^{\frac{1}{2}}

= 3 (- \frac{1}{2} \cdot 2 u^{\frac{1}{2}})

Substitute back

u = 1 - e^{2 x}

= 3 (- \frac{1}{2} \cdot 2 (1 - e^{2 x})^{\frac{1}{2}})

Simplify

3 (- \frac{1}{2} \cdot 2 (1 - e^{2 x})^{\frac{1}{2}}) : - 3 1 - e^{2 x}

= - 3 1 - e^{2 x}

Add a constant to the solution

= - 3 1 - e^{2 x} + C

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What is the integral of (3e^{2x})/(sqrt(1-e^{2x))} ?
The integral of (3e^{2x})/(sqrt(1-e^{2x))} is -3sqrt(1-e^{2x)}+C