engineering recuitment GATE EE 2023-24 Test Series Signals and Systems Introduction To Signals and Systems Classification of Signals
A discrete time signal is given as
\(x\left[ n \right] = \cos \frac{{\pi n}}{9} + \sin \left[ {\frac{{\pi n}}{7} + \frac{1}{2}} \right]\)
The period N for the periodic signal is
1
126
2
32
3
252
4
64