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

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$n^{2}$

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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 2n Number of subsets of A = nC0 + nC1 + .............+ nCn = 2n

The correct option is C
$2^{n}$

Number of subsets of A = $^{n} C_{0}$ + $^{n} C_{1}$ + .............+ $^{n} C_{n}$ = $2^{n}$