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Syllabus

Relations — Syllabus

CBSE · Class 11 · Applied Mathematics

What Relations covers in CBSE Class 11 Applied Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 11 Applied Mathematics syllabus.

45 questions20 flashcards2 formulas & key relations5 concepts

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4 Topics · CBSE Class 11 Applied Mathematics · 2026-27

Topics in Relations

1

Ordered Pairs and Cartesian Products

  • An ordered pair (a,b) has a specific order where 'a' is the first element and 'b' is the second element
  • Two ordered pairs (a,b) and (c,d) are equal if and only if a = c and b = d
  • The order matters: (a,b) ≠ (b,a) unless a = b
2

Relations and Their Properties

  • A relation R from set A to set B is a subset of A × B
  • If (a,b) ∈ R, we write aRb (a is R-related to b)
  • Domain of R = set of all first elements of ordered pairs in R
3

Types of Relations

  • Empty Relation: R = ∅ (no element of A is related to any element)
  • Universal Relation: R = A × A (every element is related to every element)
  • Reflexive: (a,a) ∈ R for all a ∈ A
4

Functions

  • Function is a special relation where each element in domain has exactly one image
  • f: A → B means f is a function from A to B
  • Domain of function = set A

Key Concepts

An ordered pair (aFor sets A and BA relation R from setEmpty relation (R = ∅)A relation that is reflexive

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Frequently Asked Questions

What are the important topics in Relations for CBSE Class 11 Applied Mathematics?
Key topics in Relations include Ordered Pairs and Cartesian Products, Relations and Their Properties, Types of Relations, Functions. Study these first, then practise questions on each for Class 11 exams.
How should I revise Relations for Class 11 exams?
Learn the core ideas first, then work through the 45 practice questions on Relations. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All CBSE Class 11 Applied Mathematics Syllabus

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