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The number of non-bijective mappings possible fromA={1,2,3} to b={4,5} is

The number of non-bijective mappings possible fromA={1,2,3} to b={4,5} is

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SHAIK AASIF AHAMED
askIITians Faculty 74 Points
9 years ago
Hello student,
Total number of functions from A to B is 23=8
Since n(A) is not equal to n(B) no of bijections=0
So Number of non bijective mappings=8-0=8
Thanks and Regards
Shaik Aasif
askIITians faculty

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