Question 3 (i) - Algebra Identities and Formulas - Chapter 8 Class 8 Algebraic Expressions and Identities
Last updated at April 16, 2024 by Teachoo
Algebra Identities and Formulas
Question 1 (i)
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Transcript
Question 3 Find the following squares by using the identities. (i) (𝑏−7)^2 (𝑏−7)^2 (𝑥−𝑦)^2=𝑥^2+𝑦^2−2𝑥𝑦 Putting 𝑥 = 𝑏 & 𝑦 = 7 = (𝑏)^2+(7)^2−2(𝑏)(7) = 𝑏^2+49−(2×7)×𝑏 = 𝒃^𝟐+𝟒𝟗−𝟏𝟒𝒃
