Ex 1.5, 3 - Chapter 1 Class 11 Sets - Part 9

Ex 1.5, 3 - Chapter 1 Class 11 Sets - Part 10

Go Ad-free

Transcript

Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (ix) {x: 2x + 5 = 9} U = {1, 2, 3, 4, 5…..} 2x + 5 = 9 2x = 9 – 5 2x = 4 x = 4/2 x = 2 {x: 2x + 5 = 9}´ = {x : x = 2}’ = {x: x ∈ N and x ≠ 2}

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.