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Chapter 8 Class 8 Algebraic Expressions and Identities
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Question 6 (iv) - Algebra Identities and Formulas - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at May 29, 2023 by

Ex 9.5, 6 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 4

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Transcript

Question 6 Using identities, evaluate. (iv) 〖998〗^2 〖998〗^2 =(1000−2)^2 (𝑎−𝑏)^2=𝑎^2+𝑏^2−2𝑎𝑏 Putting 𝑎 = 1000 & 𝑏 = 2 = (1000)^2+(2)^2−2(1000)(2) = 1000000+4−4000 = 1000004−4000 = 𝟗𝟗𝟔𝟎𝟎𝟒

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