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If A, B are two sets such that n(A) = 15...

If A, B are two sets such that n(A) = 15, n(B) = 20, then the number of injections from A into B is

A

`2^(0)P_(15)`

B

`15 xx 20`

C

`15^(20)`

D

`20^(15)`

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The correct Answer is:
A
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