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Subset

The number of...

Question

The number of subsets of a set containing n elements is
(a) n
(b) 2ⁿ − 1
(c) n²
(d) 2ⁿ

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Solution

(d) 2ⁿ

The total number of subsets of a finite set consisting of n elements is 2ⁿ.

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