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Grade 12Discuss with colleagues and IITians

I need general proof for the number of one functions and onto functions from set A to set B containing m and n elements respectively??

Profile image of Bhat Musaib
12 Years agoGrade 12
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1 Answer

Profile image of Parvez ali
12 Years ago
Dear Bhat Musaib,
if m>n then there will be no one-one and onto function but if m=<n then number of 1-1 and onto function will be nPm.


Thanks & Regards
Parvez Ali
askIITians Faculty
Btech
ISM Dhanbad

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