If a set A has n elements, then the total number of subsets of A is

n

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n^{2}

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2^{n}

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2 n

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Solution

The correct option is C $2^{n}$
Number of subsets of
$A =^{n} C_{0} +^{n} C_{1} + . . . . +^{n} C_{n} = 2^{n}$ .

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If a set A has n elements, then the total number of subsets of A is

The correct option is C 2nNumber of subsets of A=nC0+nC1+....+nCn=2n.

The correct option is C $2^{n}$
Number of subsets of
$A =^{n} C_{0} +^{n} C_{1} + . . . . +^{n} C_{n} = 2^{n}$ .