Question

define a relation from A to the set B. What do you mean by domain , range and co domain of a relation​

Answer 1

Answer:

In a relation R from set A to B every element of set A has a unique image in set B. Domain is the set of all the elements of first set ( here A).Range is the set of elements in second set (hereB ) which have a pre image in first set (hereA). Codomain is the set of all the elements in second set (here B).