0 votes 0 votes The transfer function of a digital system is given by: $$\frac{b_0}{1-z^{-1}+a_2z^{-2}},\text{ where $a_2$ is real.}$$ The transfer function in $BIBO$ stable if the value of $a_2$ is: $-1.5$ $-0.75$ $0.5$ $1.5$ Others gate2014-in + – Milicevic3306 asked Mar 25, 2018 • edited Nov 25, 2020 by soujanyareddy13 Milicevic3306 7.9k points answer See all 0 reply