COMEDK2015MathematicsFunctions
The number of bijective functions from the set A to itself, if A contains 108 elements is
Options
- A108
- B(108) !
- C(108)²
- D2¹⁰⁸
Correct answer
B. (108) !
Step-by-step solution
Since, number of one-one onto functions from a set A having n elements to itself is n !.