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Suppose contains m elements and contain elements. The number of functions from to is
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a
nm
b
nm
c
nPm
d
nCm
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Correct option is B
Let X=x1,x2,…xm and Y=y1,y2,…ynFor each x1(1≤i≤m) we have n possible images. Therefore, the number of functions from X to Y is nmSimilar Questions
If then equal to
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