Problema Solution
how many sub sets does {1,2,3,4} have, and what are they
Answer provided by our tutors
N=2^4 = 16
They are {Null},{1},{2},{3},{4},{1,2},{1,3},{1,4},{2,3},{2,4},{3,4},{1,2,3},{1,2,4},{2,3,4},{1,2,3,4}
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