Скачать или смотреть 9th Class Math | Exercise 1.2 Q3 (i–vi) | If x = 3 + √8 then Find Values | PTB 2025 Class 9 Maths

In this video, we solve Question 3 (all 6 parts) of Exercise 1.2 from the 9th Class Mathematics PTB 2025 book.


 
If x=3+√8
then find the values of: ​
i) x+1/x
ii) x-1/x
 then find the values of: 

We solve each part step by step without skipping, with wide spacing between steps.

👉 This lecture is helpful for:

9th Class Students (Punjab Textbook Board 2025)

Matric Science Group Students

Practice of Surds, Rationalization, and Identities

Board Exam Preparation

📌 Topic: Surds and Indices – Simplifying Expressions
📌 Book: Mathematics 9th Class, PTB 2025
📌 Exercise: 1.2 (Question 3 – all 6 parts)

⏱ Timestamps

00:00 Intro
00:45 - i) x+1/x
04:21 - ii) x-1/x
07:11 - iii) x^2 + 1/x^2
11:03 - iv) x^2 - 1/x^2
13:57 - v) x^4 + 1/x^4
18:37 - vi) (x-1/x)^2
Exercise 1.2 q2
   • Exercise 1.2 Question 2 | Laws of exponent...  

notes pdf
https://sg.docworkspace.com/d/sIP2Wjf...