Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Let f (x) = 
cos 
for x ≠ 1. Then
A
f (x) = 0
B
f (x) does not exist
C
f (x) = 0
D
f (x) does not exist
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(c,d)
Sol. f(1 + ) = 
= 
= 
= 
⇒ 
does not exist
f(1 – ) = 
= 
= 
= 
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