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Ex 2.1, 1 - Chapter 2 Class 11 Relations and Functions
Last updated at April 16, 2024 by Teachoo
Equality of 2 ordered pairs
Chapter 2 Class 11 Relations and Functions
Concept wise
- Finding Cartesian Product
-
Equality of 2 ordered pairs
- Number of elements
- Operations on sets+ cartesian product
- Relations - Definition
- Finding Relation - Set-builder form given
- Finding Relation - Arrow Depiction given
- Number of Relations
- Functions - Definition
- Finding values at certain points
- Different Functions and their graphs
- Finding Domain and Range - By drawing graphs
- Finding Domain and Range - General Method
- Algebra of real functions
Transcript
Ex 2.1, 1 If (x/3 " + 1, y –" 2/3) = (5/3 "," 1/3) , find the values of x and y. (x/3 " + 1, y –" 2/3) = (5/3 "," 1/3) Since the ordered pairs are equal, corresponding elements are equal. Hence 𝐱/𝟑 + 1 = 𝟓/𝟑 x/3 = 5/3 – 1 x/3 = 2/3 x = 2 y – 𝟐/𝟑 = 𝟏/𝟑 y = 1/3 + 2/3 y = 3/3 y = 1
