Exercise 2.4 Q 5 Class 9 Math | Punjab board (PTCB) New Syllabus 2026 | Unit 02 Logarithm

__Class 9 Math | Exercise 2.4 Complete Solution | Logarithms Using Log Tables | PTCB New Syllabus 2026__

In this video from __Maths Prep Point__, we solve __Exercise 2.4__ from Class 9 Mathematics __Unit 2: Logarithms__ step-by-step using __logarithm tables__. This is based on the __Punjab Textbook Board (PTCB) New Syllabus 2026__.

You’ll learn how to solve complex expressions involving multiplication, division, powers, and cube roots without a calculator using laws of logarithm.
__✅ Core Methodology Used in Every Question:__
1. __Define the expression__: Let the given expression = x
2. __Take logs__: Apply log on both sides
3. __Apply Laws of Logarithms__: Use Product Law, Quotient Law, and Power Law to simplify
4. __Log Table Lookup__: Find characteristic & mantissa for each value
5. __Anti-logarithm__: Use antilog tables to get the final answer and fix decimal point using characteristic

📖 Chapter: Unit 2 - Logarithms
📝 Board: Punjab Textbook Board (PTCB)
🎯 Class: 9th | New Syllabus 2026

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Видео Exercise 2.4 Q 5 Class 9 Math | Punjab board (PTCB) New Syllabus 2026 | Unit 02 Logarithm канала Maths Prep Point