The left hand derivative of `f(x)=[x]sin(pix)` at `x = k`, `k` is an integer, is

The left hand derivative of f(x)=[x]sin(pix) at x = k , k in Z , is

The left hand derivative of f(x)=[x]sin(pix) at x = k , k in Z , is

The left hand derivative of f(x)=[x]sin(pi x) at x=k,k is an integer,is

Find the left hand derivative of f(x)= [x] sin (pi x) at x=k. where k is an integer and [.] denotes the greatest integer function.

Find the left hand derivative of f (x) =[x] sin pi, x , at x=k where k is an integer.

If the right hand derivative of f(x)=[x]tan pi x at x=7 is k pi then k=

The left hand derivative of the function y = f(x) at x = a is Lf' (a) =

The right hand derivative of f(x)= [x] tan (pi x) at a point x=7 is k pi then find the value of k. where [.] is the greatest integer function.