" Show that "f(x)=|x|" is not differentiable at "x=0

Show that f(x)=x^(1/3) is not differentiable at x=0

Show that f(x)=x^(1//3) is not differentiable at x=0 .

Show that f(x)=(x)^(1/3) is not differentiable at x=0.

f(x)= x^(3) sgn(x). Show that f(x) is differentiable at x=0.

Show that f (x) = [x] is not differentiable at x = 1 .

Show that f(x) = |x| sin x is differentiable at x=0.

Show that f(x)=(x^(1))/(3) is not differentiable at x=0.

If function f(x)=|x-3|+|x-4| , then show that f(x) is not differentiable at x=3 and x=4 .

If f(x) = {:{(xsin(1/x),xne0),(0,x=0):} Show that 'f' is not differentiable at x =0

A function f(x) is defined as follows : f(x)={(x^(2)"sin"(1)/(x)", if "x!=0),(0", if "x=0):} show that f(x) is differentiable at x=0.