What is expand (4x^3)/((x^2-1)^2) ?

The solution to expand (4x^3)/((x^2-1)^2) is (4x^3)/(x^4-2x^2+1)

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expand (4x^3)/((x^2-1)^2)

expand

\frac{4 x ^{3}}{( x ^{2} - 1 ) ^{2}}

\frac{4 x ^{3}}{x ^{4} - 2 x ^{2} + 1}

Solution steps

\frac{4 x ^{3}}{( x ^{2} - 1 ) ^{2}}

(x^{2} - 1)^{2} = x^{4} - 2 x^{2} + 1

= \frac{4 x ^{3}}{x ^{4} - 2 x ^{2} + 1}

\frac{18 x ^{3}}{( z - 0.5 ) ( z - 0.8 ) ^{2}}

x (x - \frac{π}{2})

(k + 1) \cdot (k + 1)!

\frac{x}{2 ( x ^{2} + 1 )}

(x + cos (y)) d x + (- x sin (y)) d y

What is expand (4x^3)/((x^2-1)^2) ?
The solution to expand (4x^3)/((x^2-1)^2) is (4x^3)/(x^4-2x^2+1)