### 497.$ CBSE Maths Class XI, ICSE Maths Class 11- Concept of intervals in sets

Power Set, of any given set, is a set, of all the subsets of a given set.Lets say a Set A = {1,2,3} Then Power Set of {1,2,3} , also written as P(A) = { { }, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1,2,3} }

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