What is expand 1/((1+x^2)(x^2+4)) ?

The solution to expand 1/((1+x^2)(x^2+4)) is 1/(5x^2+x^4+4)

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expand 1/((1+x^2)(x^2+4))

expand

\frac{1}{( 1 + x ^{2} ) ( x ^{2} + 4 )}

\frac{1}{5 x ^{2} + x ^{4} + 4}

Solution steps

\frac{1}{( 1 + x ^{2} ) ( x ^{2} + 4 )}

Expand

(1 + x^{2}) (x^{2} + 4) : 5 x^{2} + x^{4} + 4

= \frac{1}{5 x ^{2} + x ^{4} + 4}

- \frac{3 ( 6 x + 5 )}{( 3 x ^{2} + 5 x ) ^{4}}

((n + 1)!)^{2}

(x - 2 y) d x + x d y

\frac{( a - b ) ^{2} x ^{3}}{102}

\frac{x - 5}{( x - 1 ) ^{3}}

What is expand 1/((1+x^2)(x^2+4)) ?
The solution to expand 1/((1+x^2)(x^2+4)) is 1/(5x^2+x^4+4)