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

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

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

expand

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

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

Solution steps

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

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

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

(3 + 3 i)^{7}

(3 + x)^{2}

(1 + i)^{13}

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

(z + i)^{3}

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