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Relations And Functions — Syllabus

MET · Mathematics

Topics covered in Relations And Functions for MET Mathematics. Understand the syllabus structure and key areas to focus on.

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A visual representation of a relation R from set A to set B as a subset of the Cartesian product A x B, showing elements of A mapped to elements of B.
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Relations And Functions — Syllabus & Topics

Topics covered in Relations And Functions for MET Mathematics.

Topics in Relations And Functions

1

1.2 Types of Relations - Problem-Solving Approach

  • A relation R from set A to B is a subset of A × B, i.e., R ⊆ A × B
  • Domain of R = {a ∈ A : (a,b) ∈ R for some b ∈ B}
  • Range of R = {b ∈ B : (a,b) ∈ R for some a ∈ A}
2

1.3 Types of Functions - Step-by-Step Analysis

  • A function f: A → B assigns exactly one element in B to each element in A
  • Functions can be one-one (injective), onto (surjective), or bijective (both)
  • Total functions from A to B = [n(B)]^[n(A)]
3

1.4 Composition and Invertible Functions - Advanced Problem Solving

  • Composition (g∘f)(x) = g(f(x)) - apply f first, then g
  • Composition is associative: f∘(g∘h) = (f∘g)∘h but generally not commutative
  • Function has inverse if and only if it is bijective

Key Concepts

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Frequently Asked Questions

What topics are covered in Relations And Functions for MET?
Relations And Functions is an important chapter in MET Mathematics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: 1.2 Types of Relations - Problem-Solving Approach, 1.3 Types of Functions - Step-by-Step Analysis, 1.4 Composition and Invertible Functions - Advanced Problem Solving.
How important is Relations And Functions for MET?
Relations And Functions is a frequently tested chapter in MET Mathematics. Questions from this chapter appear regularly in previous year papers. There are 308 practice questions available for this chapter.
How to prepare Relations And Functions for MET?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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