Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following functions is non periodic
A
B
C
D
cos 
Text Solution
Verified by ExpertsThe correct answer is:
D
The function in is periodic with period 1 and the function in is also periodic since 
for every rational 
The function in is equal to 
and thus has period 
.
All are periodic. In 'b' there is no period.
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