Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let the functions 
and 
be defined as :
and 
Then, the number of points in R where 
is NOT differentiable is equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2021
At ‘O’
L.H.L. 
R.H.L. (Discontinuous) At ‘1’
L.H.D. 
R.H.D. 
is differentiable for 
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