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

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

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

expand

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

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

Solution steps

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

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

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

K (1 + A + \frac{- A - 2 B}{z} + B + \frac{B}{z ^{2}})

(cos (3 θ) + i sin (3 θ))^{3}

(2 + i)^{18}

- 3 (5 - 4 csc (θ) = csc (θ))

v a l u e (g - f) (3)

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