What is expand (12x)/((x^2+1)^2) ?

The solution to expand (12x)/((x^2+1)^2) is (12x)/(x^4+2x^2+1)

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expand (12x)/((x^2+1)^2)

expand

\frac{12 x}{( x ^{2} + 1 ) ^{2}}

\frac{12 x}{x ^{4} + 2 x ^{2} + 1}

Solution steps

\frac{12 x}{( x ^{2} + 1 ) ^{2}}

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

= \frac{12 x}{x ^{4} + 2 x ^{2} + 1}

(x + 4 y) d x + (4 x - y) d y

\frac{x}{( x + 2 ) ( x ^{2} + 4 )}

e^{2 t} (t - 2)^{2}

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

(x - 1) 2 x - x^{2} + arcsin (x - 1)

What is expand (12x)/((x^2+1)^2) ?
The solution to expand (12x)/((x^2+1)^2) is (12x)/(x^4+2x^2+1)