Question

Let S = {1, 2, 3, ... , 100}. The number of non-empty subsets A of S such that the product of elements in A is even is : (1) 2^50 + 1 (2) 2^50 (2^50 – 1) (3) 2^100 – 1 (4) 2^50 – 1

Answer 1

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