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Ex 8.1, 1 Add the following. (iv) 𝑙^2 γ€–+ π‘šγ€—^2, π‘š^2 γ€–+ 𝑛〗^2, 𝑛^2 γ€–+ 𝑙〗^2, 2π‘™π‘š + 2π‘šπ‘› + 2𝑛𝑙Expressions are 𝑙^2 γ€–+ π‘šγ€—^2, π‘š^2 γ€–+ 𝑛〗^2, 𝑛^2 γ€–+ 𝑙〗^2, 2π‘™π‘š + 2π‘šπ‘› + 2𝑛𝑙 We put like terms below like terms ∴ Required sum = 2𝑙^2+2π‘š^2+2𝑛^2+2π‘™π‘š+2π‘šπ‘›+2𝑛𝑙 = 𝟐(𝒍^𝟐+π’Ž^𝟐+𝒏^𝟐+π’π’Ž+π’Žπ’+𝒏𝒍)

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

About the Author

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo