Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) `d^n/(dx^n)(logx)=` - Sarthaks eConnect

`d^n/(dx^n)(log x)=`

`((n-1)!)/x^n`

`(n!)/x^n`

`((n-2)!)/x^n`

`(-1)^(n-1)((n-1)!)/x^n`