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प्रश्न
If A = {x, y, z} then the number of non-empty subsets of A is
पर्याय
8
5
6
7
उत्तर
7
Explanation;
Hint:
n(A) = 3, P(A) = 2m = 23 = 8
Non-empty subsets of A = 8 – 1 = 7
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