What is expand (dz)/((z^2+4)^2) ?

The solution to expand (dz)/((z^2+4)^2) is (dz)/(z^4+8z^2+16)

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expand (dz)/((z^2+4)^2)

expand

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

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

Solution steps

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

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

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

\frac{( 16 x ^{2} - 1 ) ( 16 x ^{2} - 1 )}{64 x ^{2}}

\frac{\partial}{\partial y} (4 e^{y}) + e^{y} (2 x + 4 y)

\frac{d}{d t} ((x) (2 sinh (t) + 3 t^{2}))

\frac{( x ^{n + 1} - ( n + 1 ) x + n )}{x - 1}

6 sin (30 (t + 2))

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