Question

Does there exist a function which is continuous everywhere but not differentiable
at exactly two points? Justify your answer
.

Answer 1

@ajprincess @lalaly

Answer 2

@elizabeth080808

Answer 3

\[y=\left| \sin(x) \right|\],\[0\le x \le 3\pi\]

Answer 4

Thankyou Sir

Answer 5

y is continuous everywhere but not differentiable at
\[x=\pi\] and \[x=2\pi\] as there exists a sharp edge at these points

Answer 6

ok

Answer 7

and i am a girl not sir......