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The number of subsets of a set containin...

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

A

`.^nP_0` + `.^nP_1`+......+`.^nP_n`

B

`.^nC_0` + `.^nC_1`+......+`.^nC_n`

C

`2^n`

D

None of these

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The correct Answer is:
B, C
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