Class Nine Mathematics Chapter 3 Set & Functions Notes Pdf File

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Class 9 Mathematics Notes
Unit 3 – Sets and Functions (PCTB 2025)

📘 Class 9 Mathematics – Unit 3: Sets and Functions

Welcome to Study Hub PK. Here you will find complete solved notes based on the latest PCTB syllabus.

📚 What’s Inside These Notes?

Step-by-step solutions, Venn diagrams, and clear explanations.

📘 Exercise 3.1 – Basics of Sets

• Set-Builder Notation
• Tabular Form
• Power Sets

📘 Exercise 3.2 – Set Operations

• Union & Intersection
• De Morgan’s Laws
• Word Problems

📘 Exercise 3.3 – Relations

• Cartesian Product
• Binary Relations
• Domain & Range

📘 Review Exercise

• MCQs
• Short Questions

📥 Download Sets & Functions Notes PDF

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