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Example 1 - Chapter 1 Class 11 Sets
Last updated at April 16, 2024 by Teachoo
Depicition of sets - Roster form
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
Transcript
Example 1 Write the solution set of the equation x2 + x – 2 = 0 in roster form. Solving the given equation x2 + x – 2 =0 x2 + 2x – x – 2 = 0 x(x + 2) – 1 (x + 2) = 0 (x – 1) (x + 2) = 0 So, x = 1, – 2 Therefore, the solution set of the given equation can be written in roster form as {1, –2}
