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Question

Which of the following represents the power set of Set A, where A = { - 1, 0, 1 }

A
{1}, {0}, {1}, {-1, 0}, {0, 1}, {-1, 13}, {-1, 0, 1}
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B
{-1, 0}, {0, 1}, {-1, 13}, {ϕ}, {-1, 0, 1}
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C
{1}, {0}, {1}, {-1, 0}, {0, 1}, {-1, 13}, {ϕ}, {-1, 0, 1}
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D
{1}, {0}, {1}, {-1, 0}, {0, 1}, {-1, 13}, {ϕ}
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Solution

The correct option is C {1}, {0}, {1}, {-1, 0}, {0, 1}, {-1, 13}, {ϕ}, {-1, 0, 1}
Power set of any set A, contains all the subsets of set A.
Subsets of given set are - {1}, {0}, {1}, {-1, 0}, {0, 1}, {-1, 13}, {ϕ}, {-1, 0, 1}
So a set containing all these subsets as its elements will be the power set.

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