9th Class Math New Book 2025 | Chap #2 Logarithm | Ex 2.4 Q#5 (iii & iv) | Laws of Logarithms | PCTB

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In this video, we’ll solve Exercise 2.4 Question 5 (Part iii & iv) from Chapter 2: Logarithm of the 9th Class Mathematics New Book (PCTB 2025).
You’ll learn how to apply and prove logarithmic laws step-by-step, using clear Urdu/Hindi explanations that make every step easy to understand.

🎯 In This Lecture You Will Learn:

Step-by-step solution of Ex 2.4 Q5 (iii & iv)

How to use Laws of Logarithms to prove log identities

Common mistakes to avoid in log simplifications

How to structure log proofs for board exams

Practice for conceptual understanding and accuracy

📚 Key Concepts Covered:

✔️ Logarithmic Laws Review:
 1️⃣ logₐ(mn) = logₐm + logₐn
 2️⃣ logₐ(m/n) = logₐm – logₐn
 3️⃣ logₐ(mⁿ) = n × logₐm
✔️ Simplifying complex logarithmic expressions
✔️ Proof-based log questions
✔️ Conceptual clarity with examples

🧠 Best For:

Class 9 Students (Punjab Curriculum – PCTB 2025)

Urdu/Hindi Medium learners

Students preparing for board exams

Anyone struggling with logarithmic identities

📌 Watch till the end to master how to prove and simplify logarithmic expressions easily!
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