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Ex 1.4, 8 (i) - Chapter 1 Class 11 Sets (Term 1)
Last updated at March 29, 2023 by Teachoo
Ex 1.4
Ex 1.4, 1 (i)
Ex 1.4, 1 (ii)
Ex 1.4, 1 (iii)
Ex 1.4, 1 (iv) Important
Ex 1.4, 1 (v)
Ex 1.4, 2
Ex 1.4, 3 Important
Ex 1.4, 4 Important
Ex 1.4, 5 Important
Ex 1.4, 6
Ex 1.4, 7
Ex 1.4, 8 (i) You are here
Ex 1.4, 8 (ii) Important
Ex 1.4, 8 (iii)
Ex 1.4, 9 Important
Ex 1.4, 10 (i)
Ex 1.4,10 (ii)
Ex 1.4, 10 (iii)
Ex 1.4, 11
Ex 1.4, 12 Important
Chapter 1 Class 11 Sets
Serial order wise
Transcript
Ex 1.4, 8 Which of the following pairs of sets are disjoint (i) {1, 2, 3, 4} and {x: x is a natural number and 4 ≤ x ≤ 6} Natural number = 1, 2, 3, 4, 5, 6, 7, 8, 9, … {x: x is a natural number and 4 ≤ x ≤ 6} = {4, 5, 6} Now, {1, 2, 3, 4} ∩ {4, 5, 6} = {4} ≠ ∅ Two sets are disjoint if they have no common element ∩ Intersection – Common of two sets If A ∩ B = ∅, then sets are disjoint Since, there is a common element in both set. Therefore, this pair of sets is not disjoint.
