A discrete time signal is as given below\(X [n] = cos \frac{πn}{9} + – McqOptions

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1.	A discrete time signal is as given below\(X [n] = cos \frac{πn}{9} + sin (\frac{πn}{7} + \frac{1}{2})\) The period of the signal X [n] is ______________
A.	126
B.	32
C.	252
D.	Non-periodic
Answer» B. 32

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