Ex 1.5, 3 (vii) - Chapter 1 Class 11 Sets
Last updated at April 16, 2024 by Teachoo
Ex 1.5
Ex 1.5, 1 (i)
You are here
You are here
Chapter 1 Class 11 Sets
Serial order wise
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,…
