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

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

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

expand

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

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

Solution steps

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

Expand

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

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

(x - \frac{1}{x})^{8}

(- 1 + i)^{7}

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

(3 - x)^{2}

(3 x - \frac{2}{3})^{7}

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