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Mathematics
OpenStudy (anonymous):

I need to find the second derivative of F(x)=4/(x^2-9)

OpenStudy (mimi_x3):

Find the first derivative first: f'(x) = -8x / (x^2-9)^2 You can be able to find the second derivative. Just use the quotient rule.

OpenStudy (anonymous):

\[ -8 (1/(x^2-9)^2-(2 x (2 x))/(x^2-9)^3)\]

OpenStudy (anonymous):

24(x^2+3) / (x^2-9)^3

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