NIMCET 2017 Question Paper with solutions

Question : 104 of 120

Marks: +1, -0

The number of elements in the power set P(S) of the setS = {2, (1, 4)} is

Solution:

We have,
S = {2 , (1 , 4)}
∴ n (s) = 2
∴ Number of elements in power set P(s)
= n (P(s)) =

2^{n(s)}

2^2

= 4

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