JEE Main 2019 Mathematics question
Let f: (−1, 1) → R be a function defined by . If K be the set of all points at which f is not differentiable, then K has exactly:
Answer: (B)
Solution
Corners at x = 0 and where , i.e. x = ±1/√2.
Let f: (−1, 1) → R be a function defined by . If K be the set of all points at which f is not differentiable, then K has exactly:
Corners at x = 0 and where , i.e. x = ±1/√2.