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

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Ex 9.5, 1 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 6

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Question 1 Use a suitable identity to get each of the following products. (vi) (𝑎^2+𝑏^2 ) (−𝑎^2+𝑏^2 ) (𝑎^2+𝑏^2 ) (−𝑎^2+𝑏^2 ) = (𝑏^2+𝑎^2 ) (𝑏^2−𝑎^2 ) = (𝑏^2 )^2− (𝑎^2 )^2 = 𝑏^(2 × 2)−𝑎^(2 × 2) = 𝒃^𝟒−𝒂^𝟒

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