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Ex 1.3, 4 - Chapter 1 Class 11 Sets - Part 4


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Ex 1.3, 4 Write down all the subsets of the following sets: (iv) ϕ Let A = ϕ Number of elements in A is 0 Hence n = 0 Number of subsets of A = 2n = 20 = 1 Null set and the set itself are the subsets of the set. Here null set is the set itself. So, the only subset of ϕ is ϕ

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.