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Set A={1,2,3,.....10} find the number of...

Set `A={1,2,3,.....10}` find the number of subsets of `A` such that the product of all the elements in the subset is even (A)`2^(51)(2^(50)-1)` (B) `2^(50)(2^(50)-1)` (C) `2^(50)(2^(51)-1)` (D) `2^(51)(2^49)-1)`

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