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

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

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  1. Chapter 9 Class 8 Algebraic Expressions and Identities
  2. Serial order wise

Transcript

Ex 9.5, 6 Using identities, evaluate. (v) γ€–5.2γ€—^2 γ€–5.2γ€—^2 =(5+0.2)^2 (π‘Ž+𝑏)^2=π‘Ž^2+𝑏^2+2π‘Žπ‘ Putting π‘Ž = 5 & 𝑏 = 0.2 (π‘Ž+𝑏)^2=π‘Ž^2+𝑏^2+2π‘Žπ‘ Putting π‘Ž = 5 & 𝑏 = 0.2 = 27+ 4/100 = 27+0.04 = πŸπŸ•.πŸŽπŸ’

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.