Let f (x) = | x | and g(x) = | x³|, then–

  1. f (x) and g (x) both are continous at
    x = 0
  2.  f(x) and g(x) both are differentiable
    at x = 0
  3. f(x) is differentiable but g(x) is not
    differentiable at x = 0
  4. f(x) and g (x) both are not differentiable at x = 0
Anurag Mishra Professor Asked on 19th April 2016 in Maths.
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