Question

n(A)=3,n(B)=4, then number of one-one functions from A to B is​

Answer 1

Step-by-step explanation:

n(A)=3

n(B)=4

n(A) < n(B)

3 < 4

Since,

Number of one-one mapping possible

n(B)=4/n(A)=3

= 4/3

=24/6

=4