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Ex 1.5, 3 - Chapter 1 Class 11 Sets - Part 6

 

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Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (vi) {x: x is a perfect square} U = {1, 2, 3, 4, 5…..} {x: x is a perfect square}´ = {x: x ∈ N and x is not a perfect square} Perfect square Eg: 1, 4, 9, 16,.. Not a perfect square Eg: 2, 3, 5, 6, 7, 8, 10, 11,… Perfect square : Numbers like 12, 22, 32, 42, … i.e. 1, 4, 9, 16,…

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