Class 11th Chapter 2nd

Class 11 Mathematics – Chapter: Relations and Functions (Handwritten Notes)

Master the fundamentals of Class 11 Mathematics – Relations and Functions with premium handwritten notes designed for CBSE, ICSE, State Boards, JEE (Main & Advanced), NEET Foundation, CUET, and Olympiad preparation.

These notes explain every concept from basic to advanced level using simple language, colorful handwritten diagrams, solved examples, flowcharts, shortcuts, and exam-oriented tricks. Whether you are studying the chapter for the first time or revising before your exams, these notes will help you build strong conceptual understanding and improve problem-solving skills.

Topics Covered

• Introduction to Relations

• Cartesian Product of Sets

• Ordered Pairs

• Representation of Relations

• Types of Relations

  • Empty Relation

  • Universal Relation

  • Identity Relation

  • Inverse Relation

• Reflexive Relation

• Symmetric Relation

• Transitive Relation

• Equivalence Relation

• Domain, Codomain & Range

• Introduction to Functions

• Definition of Function

• Representation of Functions

• Types of Functions

  • One-One (Injective)

  • Many-One

  • Onto (Surjective)

  • Into

  • Bijective Function

  • Constant Function

  • Identity Function

• Algebra of Functions

• Composite Functions

• Inverse Functions

• Graphs of Common Functions

• Modulus Function

• Greatest Integer (Floor) Function

• Signum Function

• Absolute Value Function

• Real-Life Applications of Functions

• Important Theorems & Properties

• Important Formula Sheet

• Common Mistakes & Exam Tips

• Shortcut Tricks

• Solved Examples

• Practice Questions

• Board Exam Important Questions