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Ex 1.3, 5 - How many elements has P(A), if A = null - Ex 1.3

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Ex 1.3, 5 How many elements has P(A), if A = ϕ ? P(A) is the power set of set A Number of elements of P(A) = 2n where n is the number of elements of the set A Given A = ϕ, then number of elements of set A = 0. ∴ Number of elements of P(A) = 2n = 20 = 1 Hence, P(A) has one element.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.