What is expand (dx)/((x^2+4)^2) ?

The solution to expand (dx)/((x^2+4)^2) is (dx)/(x^4+8x^2+16)

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expand (dx)/((x^2+4)^2)

expand

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

\frac{d x}{x ^{4} + 8 x ^{2} + 16}

Solution steps

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

(x^{2} + 4)^{2} = x^{4} + 8 x^{2} + 16

= \frac{d x}{x ^{4} + 8 x ^{2} + 16}

(2 + 6 e^{- 2 x})^{2}

\frac{( 1 + 6 x ) ^{5}}{5}

\frac{1}{( s + 2 ) ( s - 1 )}

2 (ln (2 x) + β)

\frac{2 s ( e ^{- π s} - e ^{- 2 π s} )}{s ^{2} + 4}

What is expand (dx)/((x^2+4)^2) ?
The solution to expand (dx)/((x^2+4)^2) is (dx)/(x^4+8x^2+16)