If n(A) = 4 and n(B) = 4 . Then how many bijective functions can be formed from A to B?
4!
3!
5!
0
As we have learned
Number of Bijective Function -
If A & B are Bijective then
So number of Bijective functions= m!
-
number of bijective function = 4!
Option 1)
4!
Option 2)
3!
Option 3)
5!
Option 4)
0
Study 40% syllabus and score up to 100% marks in JEE