What is the integral of (12x)/((x^2-1)^2) ?

The integral of (12x)/((x^2-1)^2) is -6/(x^2-1)+C

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integral of (12x)/((x^2-1)^2)

\int \frac{12 x}{( x ^{2} - 1 ) ^{2}} d x

- \frac{6}{x ^{2} - 1} + C

Solution steps

\int \frac{12 x}{( x ^{2} - 1 ) ^{2}} d x

Take the constant out:

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

= 12 \cdot \int \frac{x}{( x ^{2} - 1 ) ^{2}} d x

Apply u-substitution

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

= 12 \cdot \int \frac{1}{2 u ^{2}} d u

Take the constant out:

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

= 12 \cdot \frac{1}{2} \cdot \int \frac{1}{u ^{2}} d u

Apply the Power Rule

: - \frac{1}{u}

= 12 \cdot \frac{1}{2} (- \frac{1}{u})

Substitute back

u = x^{2} - 1

= 12 \cdot \frac{1}{2} (- \frac{1}{x ^{2} - 1})

Simplify

12 \cdot \frac{1}{2} (- \frac{1}{x ^{2} - 1}) : - \frac{6}{x ^{2} - 1}

= - \frac{6}{x ^{2} - 1}

Add a constant to the solution

= - \frac{6}{x ^{2} - 1} + C

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What is the integral of (12x)/((x^2-1)^2) ?
The integral of (12x)/((x^2-1)^2) is -6/(x^2-1)+C