Question

if there are 512 relation from a set A{2,3,5}to a set B, then the number of element in B is​

Answer 1

Step-by-step explanation:

The no of subsets of a set having n elements is 2n

Here 2n=5122n=29n=9

Answer 2

Answer:

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Step-by-step explanation:

The no of subsets of a set having n elements is 2

n

Here 2

n

=512

2

n

=2

9

n=9