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Example 18 - Chapter 1 Class 11 Sets
Last updated at August 2, 2026 by Teachoo
Chapter 1 Class 11 Sets
Concept wise
- Depiction and Definition
- Depicition of sets - Roster form
- Depicition of sets - Set builder form
- Intervals
- Null Set
- Finite/Infinite
- Equal sets
- Subset
- Power Set
- Universal Set
- Venn Diagram and Union of Set
- Intersection of Sets
-
Difference of sets
- Complement of set
- Number of elements in set - 2 sets (Direct)
- Number of elements in set - 2 sets - (Using properties)
- Number of elements in set - 3 sets
- Proof - Using properties of sets
- Proof - where properties of sets cant be applied,using element
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Transcript
Example 18 Let A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find A – B and B – A. A – B = A – (A ∩ B) A ∩ B = {1, 2, 3, 4, 5, 6} ∩ {2, 4, 6, 8} = {2, 4, 6} A – B = A – (A ∩ B) = {1, 2, 3, 4, 5, 6} – {2, 4, 6} = {1, 3, 5} B – A = B – (B ∩ A) = B – (A ∩ B) = {2, 4, 6, 8 } – {2, 4, 6} = {8} A – B = A – (A ∩ B) ∩ Intersection – Common of two sets
