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

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

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

expand

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

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

Solution steps

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

Expand

(s^{2} + t^{2}) (1 + t^{2}) : s^{2} + s^{2} t^{2} + t^{2} + t^{4}

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

\frac{x ^{2} ( x - 3 )}{x + 6}

- \frac{12800}{( x + 3 ) ^{2}}

\frac{n ^{2} + n - 1}{( n + 1 ) ^{2}}

\frac{1}{( 3 x ^{2} + 5 x ) ^{3}}

10 (2 - 2)

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