Example 7 - Chapter 12 Class 8 Factorisation

Last updated at December 16, 2024 by Teachoo

Example 7 - Factorise a^2 - 2ab + b^2 - c^2 - Chapter 14 Class 9 NCERT

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Example 7 Factorise 𝑎^2 – 2ab + 𝑏^2 – 𝑐^2 𝑎^2 – 2ab + 𝑏^2 – 𝑐^2 = 𝒂^𝟐+𝒃^𝟐−𝟐𝒂𝒃−𝑐^2 Using (𝑎−𝑏)^2 = 𝑎^2+𝑏^2−2𝑎𝑏 = (𝑎−𝑏)^2 −𝑐^2 Using 𝑥^2−𝑦^2=(𝑥+𝑦)(𝑥−𝑦) Here 𝑥=(𝑎−𝑏), y = c = ((𝑎−𝑏)+𝑐) ((𝑎−𝑏)−𝑐) = (𝒂−𝒃+𝒄) (𝒂−𝒃−𝒄)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo

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