What is expand (derivative of-x^2-1)/((x^2-1)^2) ?

The solution to expand (derivative of-x^2-1)/((x^2-1)^2) is (derivative of-x^2-1)/(x^4-2x^2+1)

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expand (derivative of-x^2-1)/((x^2-1)^2)

expand

\frac{\frac{d}{d x} ( - x ^{2} - 1 )}{( x ^{2} - 1 ) ^{2}}

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

Solution steps

\frac{\frac{d}{d x} ( - x ^{2} - 1 )}{( x ^{2} - 1 ) ^{2}}

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

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

(y cos (x) + 1) d x + sin (x) d y

\frac{( p ( 424 - p ) ^{2} )}{150}

(3 x^{2} - 2 x + 1) l e f t (x^{3} + 2 x^{2})

(- 3 + 3 i 3)^{5}

\frac{4 π ( c - a ) ( b - c ) EF}{E ( b - c ) + F ( c - a )}

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