What is expand (4-x^2)/((4+x^2)^2) ?

The solution to expand (4-x^2)/((4+x^2)^2) is (4-x^2)/(16+8x^2+x^4)

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expand (4-x^2)/((4+x^2)^2)

expand

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

\frac{4 - x ^{2}}{16 + 8 x ^{2} + x ^{4}}

Solution steps

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

(4 + x^{2})^{2} = 16 + 8 x^{2} + x^{4}

= \frac{4 - x ^{2}}{16 + 8 x ^{2} + x ^{4}}

e^{- x} + (2 x + 3) e^{3 x} + 2 cos (3 x)

- y d x + (x + x y) d y

(sin (θ) - tan (θ)) (cos (θ) - cot (θ))

\frac{1}{( x + 1 ) ( x - 1 )}

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

What is expand (4-x^2)/((4+x^2)^2) ?
The solution to expand (4-x^2)/((4+x^2)^2) is (4-x^2)/(16+8x^2+x^4)