What is the integral of (-3)/((x-1)^2) ?

The integral of (-3)/((x-1)^2) is 3/(x-1)+C

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integral of (-3)/((x-1)^2)

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

\frac{3}{x - 1} + C

Solution steps

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

Take the constant out:

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

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

Apply u-substitution

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

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

Apply the Power Rule

: - \frac{1}{u}

= - 3 (- \frac{1}{u})

Substitute back

u = x - 1

= - 3 (- \frac{1}{x - 1})

Simplify

- 3 (- \frac{1}{x - 1}) : \frac{3}{x - 1}

= \frac{3}{x - 1}

Add a constant to the solution

= \frac{3}{x - 1} + C

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