COMEDK2018MathematicsFunctions
If n(A)=n(B)-m , then the number of possiblc bijection from A to B is
Options
- Am
- Bm²
- Cm !
- D2 ~m
Correct answer
C. m !
Step-by-step solution
If set A and B has m elements, then the number of bijections from A to B is the total number of arrangements of n distinct items taken all at a time, i.e. m ! .