For what value of k, will the following system be time invariant?y(t) = x(t) + x(kt) – x(2t) + x(t-1)
A. 1
B. 2
C. 3
D. 2.5
Answer:A
For what value of k, will the following system be time invariant?y(t) = x(t) + x(kt) – x(2t) + x(t-1)
A. 1 B. 2 C. 3 D. 2.5
Explanation: A system possessing no memory has its output depending upon the input at the same time instant, which is prevalent only in option b.