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`        Let E={1,2,3,4} & F={1,2,}. Then the number of onto functions from E to F is__________`
one year ago

Arun
23325 Points
```							from E to Flet n(E) =m = 4and n(F) = n =2since m > n sono. of onto functions is n^m - C(n,1)*(n-1)^m + C(n,2)*(n-2)^m - …= 24 – 2C1 (1)4 – 0= 16 -2 =14 so no. of onto functions from E to F = 14hope that helps
```
one year ago
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