Question

This is a subjective question, hence you have to write your answer in the Text-Field given below.
(a) Let A={1, 2, 3, 4, 6) and R be the relation on A defined by (a, b)ER if and only if a is a multiple of b. Write down R as a set of ordered pairs. Represent the relation R as matrix and draw its digraph.
(b) Determine whether the relation R, define on a set A=(a, b, c. d) such that R={(a, a), (b. a), (c. c). (d. d). (d. a); is an equivalence relation.​

Answer 1

Answer:

I don't know.