Ex 9.5, 6 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 5

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

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Question 6 Using identities, evaluate. (v) 〖5.2〗^2 〖5.2〗^2 =(5+0.2)^2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 5 & 𝑏 = 0.2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 5 & 𝑏 = 0.2 = 27+ 4/100 = 27+0.04 = 𝟐𝟕.𝟎𝟒

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