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

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

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

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

- \frac{2}{x - 1} - \frac{1}{( x - 1 ) ^{2}} + \frac{3}{2 ( x - 1 ) ^{2}} + C

Solution steps

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

Expand

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

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

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

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

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

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

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

Simplify

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

Add a constant to the solution

= - \frac{2}{x - 1} - \frac{1}{( x - 1 ) ^{2}} + \frac{3}{2 ( x - 1 ) ^{2}} + C

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