Ex 1.3, 3 - Chapter 1 Class 12 Relation and Functions
Last updated at May 29, 2018 by Teachoo
Transcript
Ex 1.3, 3 Find 𝑔𝑜𝑓 and 𝑓𝑜𝑔, if (i) f(x) = 𝑥 and g (x) = 5𝑥 −2 f(x) = 𝑥 , g(x) = 5𝑥−2 Ex 1.3, 3 Find 𝑔𝑜𝑓 and 𝑓𝑜𝑔, if (ii) f (x) =8𝑥3 and g (x) = 𝑥13 f(x) = 8x3 g(x) = 𝑥13
Chapter 1 Class 12 Relation and Functions
Concept wise
- Relations - Definition
- Empty and Universal Relation
- To prove relation reflexive, transitive, symmetric and equivalent
- Finding number of relations
- Function - Definition
- To prove one-one & onto (injective, surjective, bijective)
- Composite functions
- Composite functions and one-one onto
- Finding Inverse
- Inverse of function: Proof questions
- Binary Operations - Definition
- Whether binary commutative/associative or not
- Binary operations: Identity element
- Binary operations: Inverse
About the Author
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.