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Taking the set of natural numbers as the universal set, write down the complements of the following sets:

(i) {x : x is an even natural number}

(ii) { x : x is an odd natural number }

(iii) {x : x is a positive multiple of 3}

(iv) { x : x is a prime number }

(v) {x : x is a natural number divisible by 3 and 5}

(vi) { x : x is a perfect square }

(vii) { x : x is a perfect cube}

(viii) { x : x + 5 = 8 }

(ix) { x : 2x + 5 = 9}

(x) { x : x ≥ 7 }

(xi) { x : x ∈ N and 2x + 1 > 10 }

NCERT Solutions for Class 11th Mathematics Chapter 1 Exercise 1.5 3

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by NahulLodi

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