What is expand (s^2+1)/(s^2(s^2+4)) ?

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

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expand (s^2+1)/(s^2(s^2+4))

expand

\frac{s ^{2} + 1}{s ^{2} ( s ^{2} + 4 )}

\frac{s ^{2} + 1}{s ^{4} + 4 s ^{2}}

Solution steps

\frac{s ^{2} + 1}{s ^{2} ( s ^{2} + 4 )}

Expand

s^{2} (s^{2} + 4) : s^{4} + 4 s^{2}

= \frac{s ^{2} + 1}{s ^{4} + 4 s ^{2}}

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

(x^{2} + 2) (cos (2 x^{2} + 4 x))

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

tan (x) cos^{2} (x)

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

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