Question

write all the subsets of A={1,2,3,a}

Answer 1

Answer:

Total number of subsets are =2^3 =8

{1} {2} {3} { 1 2 } { 1 3 } {2 3 } { 1 2 3 } and { }

The last one is an empty set which is always a subset of everyset......

Answer 2

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