What is (d^2)/(dx^2)(1/(x^2-1)) ?

The answer to (d^2)/(dx^2)(1/(x^2-1)) is -(2(-3x^2-1))/((x^2-1)^3)

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(d^2)/(dx^2)(1/(x^2-1))

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

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

Solution steps

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

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

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

\frac{d}{d x} (- \frac{2 x}{( x ^{2} - 1 ) ^{2}}) = - \frac{2 ( - 3 x ^{2} - 1 )}{( x ^{2} - 1 ) ^{3}}

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

\int t cos (8 t) d t

\int - y + 1 d y

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

\frac{d}{d x} (5 arcsin (3) x^{3})

\frac{1}{11 x}

What is (d^2)/(dx^2)(1/(x^2-1)) ?
The answer to (d^2)/(dx^2)(1/(x^2-1)) is -(2(-3x^2-1))/((x^2-1)^3)