What does the associative property apply?
(a) Parallel connection of two systems is equivalent to a single system only in case of a continuous system
(b) Series and parallel interconnection of two systems is equivalent to a single system only in case of discrete system
(c) Series interconnection of two systems is equivalent to a single system in case of both continuous and discrete system
(d) Series interconnection of two systems is equivalent to a single system only in case of discrete
I got this question by my school teacher while I was bunking the class.
Question is taken from Properties of LTI Systems topic in division Time-Domain Analysis of CT Systems of Signals and Systems