EC > GATE 2015 SET-3 > Discrete-Time Signals
Two sequences x1[n] and x2[n] have the same energy. Suppose x1[n] = α (0.5)n u[n] where α is a positive real number and u[n] is the unit step sequence. Assume x2[n] = {√1.5 for n=0,1; 0 otherwise}. Then the value of α is __________.
Correct : 1.5
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