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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)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The number of subsets of a set containing n elements is

    A
    (a) `2^(n)`
    B
    (b) `n^(2) `
    C
    (c) ` 2n `
    D
    (d) ` n `

  • The number of subsets of a set containing n elements is :

    A
    n
    B
    `2^(n)-1`
    C
    `2^(n-1)`
    D
    `2^(n)`

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