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![Calculate 29^2 - Chapter 4 Class 9 Ganita Manjari Part 1 [Teachoo] - Factorisation of Algebraic Expressions Using Identities](https://cdn.teachoo.com/879da8a0-3998-48d4-8979-1f77362ea8c5/slide47.jpg)
Example 8 - Chapter 4 Class 9 - Exploring Algebraic Identities (Ganita Manjari I)
Last updated at May 15, 2026 by Teachoo
Factorisation of Algebraic Expressions Using Identities
Class 9
Chapter 4 Class 9 - Exploring Algebraic Identities (Ganita Manjari I)
- Consecutive Square Numbers
- Visualising Algebraic Identities
- Exercise Set 4.1
-
Factorisation of Algebraic Expressions Using Identities
- Exercise Set 4.2
- More Identities
- Exercise Set 4.3
- Rewriting a2 - b2 Identity
- Factorisation Using Algebra Tiles
- Factorisation by Splitting the Middle term
- Exercise Set 4.4
- Finding New Algebraic Identities
- Simplifying Rational Expressions
- Exercise Set 4.5
- Word Problems
- End-of-Chapter Exercises
Transcript
Example 8 Calculate 29^2 29^2 =(𝟑𝟎−𝟏)^𝟐 = 30^2+1^2−2 × 30 × 1 = 900+1−60 = 901−60 = 𝟖𝟒𝟏 (𝑎−𝑏)^2=𝑎^2+𝑏^2−2𝑎𝑏 Putting 𝑎 = 30 & 𝑏 = 1
