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Ex 9.5, 1 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 2


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Ex 9.5, 1 Use a suitable identity to get each of the following products. (ii) (2𝑦 + 5) (2𝑦 + 5) (2𝑦+5) (2𝑦+5) = (2𝑦+5)^2 (π‘Ž+𝑏)^2=π‘Ž^2+𝑏^2+2π‘Žπ‘ Putting π‘Ž = 2𝑦 & 𝑏 = 5 (π‘Ž+𝑏)^2=π‘Ž^2+𝑏^2+2π‘Žπ‘ Putting π‘Ž = 2𝑦 & 𝑏 = 5

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.