If `f(x)=sin{(pi)/(2)[x]-x^(5)},1ltxlt2` and [.] denotes the greatest integer function,
Channel: Doubtnut
Date: 2020-05-24

If `f(x)=sin{(pi)/(2)[x]-x^(5)},1ltxlt2` and [.] denotes the greatest integer function, then `f'(5sqrt((pi)/(2)))` is equal to