If $A = {2, 3, 6}$ , then find $P (A) =$ ?

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Solution

It is given that $A = {2, 3, 6}$ , this means $n (A) = 3$ .

It is known that $P (A) = 2^{n (A)}$

$= 2^{3}$

$= 8$

$= {ϕ, {2}, {3}, {6}, {2, 3}, {3, 6}, {2, 6}, {2, 3, 6}}$

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