What is expand (6x^2-2)/((x^2+1)^3) ?

The solution to expand (6x^2-2)/((x^2+1)^3) is (6x^2-2)/(x^6+3x^4+3x^2+1)

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expand (6x^2-2)/((x^2+1)^3)

expand

\frac{6 x ^{2} - 2}{( x ^{2} + 1 ) ^{3}}

\frac{6 x ^{2} - 2}{x ^{6} + 3 x ^{4} + 3 x ^{2} + 1}

Solution steps

\frac{6 x ^{2} - 2}{( x ^{2} + 1 ) ^{3}}

(x^{2} + 1)^{3} = x^{6} + 3 x^{4} + 3 x^{2} + 1

= \frac{6 x ^{2} - 2}{x ^{6} + 3 x ^{4} + 3 x ^{2} + 1}

cos (2) (θ - \frac{π}{2})

\frac{e ^{- s}}{( s - 3 ) ( s - 2 ) s}

(10 - x) \cdot x

11750 (224 π^{2} + (188 π \cdot k + 1658 π) - 2091)

7 (6 - 5)

What is expand (6x^2-2)/((x^2+1)^3) ?
The solution to expand (6x^2-2)/((x^2+1)^3) is (6x^2-2)/(x^6+3x^4+3x^2+1)