Question

Let A = {1, 2, 3, 4} and B = {a, b, c}. Then number of one-one functions from A to B are ____________________________.​

Answer 1

Answer:

A = {1,2,3,4} and B = {a,b,c} Let number of elements of A be r and number of elements of B be m . Number of elements of set A = r = 4 Number of elements ...