Question

9. Let * be an operation on A = {1,2,3,6}
defined by a * b = LCM of (a, b), for all
a, b ed.
a) Draw a binary operation table for
* on the set A.
(2)
b) Find the identity element of * if any.
(1)
c) Which elements of A are invertible ?​

Answer 1

Answer:

ANSWER IS 10 OK bro Thanks