Why was my sister freaking boohoo crying (made me sad) over a pet rat that shes had for like a year and he's getting old he got
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Answer: There are 64 relations from A to B.
Step-by-step explanation:
Number of relation from set A to B =
Since, A={Φ,{Φ},{Φ,{Φ}}} and B={1,2}
i.e. Number of elements in set A = 3
Number of elements in set B = 2
So, Number of relation from set A to B =
Hence, there are 64 relations from A to B.