Question 11 - Finding Errors - Chapter 12 Class 8 Factorisation

Last updated at July 27, 2026 by Teachoo

Ex 14.4, 11 - Find and correct the errors (y - 3)^2 = y2 - 9

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Transcript

Question 11 Find and correct the errors in the following mathematical statements. 〖"(y – 3)" 〗^2= 𝑦^2 – 9 Solving LHS 〖(𝑦 −3)〗^2 Using 〖(𝑎 −𝑏)〗^2=𝑎^2+𝑏^2=2𝑎𝑏 Here a = y and b = 3 Using 〖(𝑎 −𝑏)〗^2=𝑎^2+𝑏^2=2𝑎𝑏 Here a = y and b = 3

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