Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The `n^(th)` derivative of the function `f(x) =1/(1-x^2)` [where x `in` (-1,1)] at the point x= 0 where n is even is - Sarthaks eConnect

The `n^(th)` derivative of the function `f(x) =1/(1-x^2)` [where x `in` (-1,1)] at the point x= 0 where n is even is

`n{::}^nC_2`

`2^nC_2`