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

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

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