class 11

Math

Algebra

Permutations and Combinations

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) $2_{51}(2_{49})−1)$