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The number of subsets of a set containing n distinct object is
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a
nC1+nC2+nC3+…+nCn−1
b
2n−1
c
nC0+nC1+…+nCn
d
2n+1
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Correct option is C
Use: The number of subsets containing exactly r elements is n nCrSimilar Questions
is equal to
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