Question

if a = {1,2,3},then write p(A).

Answer 1

hi,
P(A)= {1}, {2}, {3}, {1,2}, {1,3}, {2,3}, {1,2,3}, Φ
number of subsets= 2^n   = 2^3 =8
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Answer 2

here is the answer.
hope it helps u.