If A and B are finite sets such that n (A) = 5 and n (B) = 7, the find – InterviewSolution

1.

If A and B are finite sets such that n (A) = 5 and n (B) = 7, the find the number of function from A to B

Answer»

Given, n (A) = 5 and n (B) = 7

We know that, if n (A) = P and n (B) = q, then number of functions from A to q^p .

∴ Number of function from A to B = 7⁵

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