What is expand-(3t^2)/((t^3+1)^2) ?

The solution to expand-(3t^2)/((t^3+1)^2) is -(3t^2)/(t^6+2t^3+1)

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expand-(3t^2)/((t^3+1)^2)

expand

- \frac{3 t ^{2}}{( t ^{3} + 1 ) ^{2}}

- \frac{3 t ^{2}}{t ^{6} + 2 t ^{3} + 1}

Solution steps

- \frac{3 t ^{2}}{( t ^{3} + 1 ) ^{2}}

(t^{3} + 1)^{2} = t^{6} + 2 t^{3} + 1

= - \frac{3 t ^{2}}{t ^{6} + 2 t ^{3} + 1}

\frac{( 2 k + 3 ) ( k + 2 ) ( k + 1 )}{6}

e x p an (3 z - 2) (z^{2} - 3 z - 4)

\frac{4}{( x + 5 ) ^{2}}

\frac{2 x - 6 - 4 x ^{2}}{( x + 3 ) ( x - 3 )}

\frac{s ^{2} - r ^{2}}{( t - s ) ^{2}}

What is expand-(3t^2)/((t^3+1)^2) ?
The solution to expand-(3t^2)/((t^3+1)^2) is -(3t^2)/(t^6+2t^3+1)