Question

If n(A) = 5 and n(B) = 2. Then find number of relations from A to B.
$please \: ans \: fast$
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Answer 1

Step-by-step explanation:

A=5..............(i)

B=2..............(ii)

now,

from (i)&(ii)

A=5

B=2

- = -

______

A-B=3