What is expand (1-e^{-s})/(s^2(s^2+4)) ?

The solution to expand (1-e^{-s})/(s^2(s^2+4)) is (1-e^{-s})/(s^4+4s^2)

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expand (1-e^{-s})/(s^2(s^2+4))

expand

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

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

Solution steps

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

Expand

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

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

9 (x + 3 = 4 x - 3)

cosh (k (z + h))

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

tan (x) + sin (x) (csc (x) - sec (x) = 1)

(2 x^{3} + 4 x y^{2} + y^{2}) d x + (2 x y + 4 x^{2} y) d y

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