Ex 1.5, 3 - Chapter 1 Class 11 Sets - Part 7

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


Transcript

Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (vii) {x: x is perfect cube} Universal set is the set of natural numbers {x: x is a perfect cube}´ = {x: x ∈ N and x is not a perfect cube} Perfect cube Eg: 1, 8, 27, 64,.. Not a perfect cube Eg: 2, 3, 4, 5, 6, 7, 9, 10, 11,… Perfect cube : Numbers like 13 , 23 , 33, 43, … i.e. 1, 8, 27, 64,…

Ask a doubt
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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.