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Grade: 11
        What is the formula to calculate no. of onto functions in a relation A to A where A has n distinct elements?
one year ago

Answers : (1)

Vivaswan Bachchan
24 Points
							
let a and b are finite sets having mand n elements respectively then no. of ono function form a to b is
sigma(r=1 to n)(-1)^n-rCr*r^m
one year ago
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