Question

write all the subset of B= (1,2,3)​

Answer 1

Step-by-step explanation:

Let B ={1,2,3}

Number of elements in B is 3

Hence n=3

Number of subsets of B =2^n

where n is the number of elements of the set A

=2^3 =8

The subsets of {1,2,3} are

ϕ,{1},{2},{3},{1,2},{2,3},{1,3} and {1,2,3}

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Answer 2

the subsets of set B are :

{1,2,3} ; {1,2} ; {2,3} ; {1,3} ; {1} ; {2} ; {3} ; {}

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