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Algebra Identities and Formulas

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Chapter 8 Class 8 Algebraic Expressions and Identities
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Question 1 (ix) - Algebra Identities and Formulas - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at May 29, 2023 by

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

 

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Transcript

Question 1 Use a suitable identity to get each of the following products. (ix) (𝑥/2+3𝑦/4) (𝑥/2+3𝑦/4) (𝑥/2+3𝑦/4)^2 = (𝑥/2)^2+ (3𝑦/4)^2+2(𝑥/2)(3𝑦/4) = 𝑥^2/2^2 + 〖(3𝑦)〗^2/4^2 + (2 × 3)/(2 × 4) 𝑥𝑦 = 𝒙^𝟐/𝟒 + (𝟗𝒚^𝟐 )/𝟏𝟔 + 𝟑/𝟒 𝒙𝒚

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