Home Question paper of signal and system 2019 (Even ) with objective solution only ||SBTE Bihar byPolytechnic academy -July 21, 2021 0 Question paper of signal and system 2019 (Even ) with objective solution only SBTE Bihar 20. Which of the following is correct for a periodic function ? (Where 1, 2, 3, etc .)Ans:- F(t) =f(t+xT) Facebook Twitter