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The number of subsets of the set A={a(1)...

The number of subsets of the set `A={a_(1),a_(2),………..a_(n)}` which contain even number of elements is

A

`2^(n-1)`

B

`2^(n)-1`

C

`2^(n-2)`

D

`2^(n)`

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
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