Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Which of the following function is periodic
A
sgn(e –x )
B
sin x + |sin x|
C
min(sin x, |x|)
D
f(x) = 
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c)
sgn(e –x ) = 1 min.(sin x, |x|) = sin x
while f(x) = 
= 1, ∀ x – {0}
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