xm sin(1 / x) , x is not equal to 0

Show that the function ƒ(x) = is

0 , x = 0

(i) differentialble at x = 0, if m1

(ii) continous but not differentiable at x = 0, if 0

(iii) neither continous nor differentiable, if m ≤ 0

  • -4
What are you looking for?