Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Examine the differentiability of f (x) = 
at x = 0.
Text Solution
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CHECK THE SOLUTION.
not differentiable at x = 0
Sol. f (x) = 
f (0) = 0
LHD (x = 0) = 
= 
= – 1
RHD (x = 0) = 
= 
= 1
Not differentiable at x = 0
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