What is the integral of (2x-4)/((x^2-4x+20)^2) ?

The integral of (2x-4)/((x^2-4x+20)^2) is -1/(x^2-4x+20)+C

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integral of (2x-4)/((x^2-4x+20)^2)

\int \frac{2 x - 4}{( x ^{2} - 4 x + 20 ) ^{2}} d x

- \frac{1}{x ^{2} - 4 x + 20} + C

Solution steps

\int \frac{2 x - 4}{( x ^{2} - 4 x + 20 ) ^{2}} d x

Apply u-substitution

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

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

Apply the Power Rule

: - \frac{1}{u}

= - \frac{1}{u}

Substitute back

u = x^{2} - 4 x + 20

= - \frac{1}{x ^{2} - 4 x + 20}

Add a constant to the solution

= - \frac{1}{x ^{2} - 4 x + 20} + C

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What is the integral of (2x-4)/((x^2-4x+20)^2) ?
The integral of (2x-4)/((x^2-4x+20)^2) is -1/(x^2-4x+20)+C