A) \[12\]
B) \[15\]
C) \[18\]
D) \[36\]
Correct Answer: C
Solution :
[c] \[f(1)=1\] For 2, there will be 3 cases. For 3, there will be 3 cases. For 4, there will be 2 cases. For 5, there will be 1 cases. \[\therefore \] Number of bijective functions \[=3\times 3\times 2\times 1=18\]You need to login to perform this action.
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