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

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

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

expand

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

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

Solution steps

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

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

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

\frac{2}{3} + \frac{( - 1 )}{24}

(e^{2 x} + \frac{7}{e ^{5 x}})^{2}

\frac{384 ( x + 8 )}{x + 2}

\frac{3}{[ ( z + 1 ) ( z - 2 ) ^{2} ]}

4 x 2 - 2 x x

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