What is the number of elements in the power set A={1,2,3}
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Answer: 8
Step-by-step explanation:
number of elements in a power set = 2^n(A)
with that we get P(A) = {{}, {1}, {2}, {3}, {1,2}, {2,3}, {1,3}, {1,2,3}}
the order doesn't matter in the power set as well as the elements in the subsets.
Hope it Helps!!
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