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  1. Chapter 14 Class 8 Factorisation
  2. Serial order wise

Transcript

Ex 14.2, 3 Factorise the expressions. (iv) ใ€–๐‘Ž๐‘šใ€—^2 + ใ€–๐‘๐‘šใ€—^2 + ใ€–๐‘๐‘›ใ€—^2 + ใ€–๐‘Ž๐‘›ใ€—^2 ใ€–๐‘Ž๐‘šใ€—^2 + ใ€–๐‘๐‘šใ€—^2 + ใ€–๐‘Ž๐‘›ใ€—^2 + ใ€–๐‘๐‘›ใ€—^2 = (ใ€–๐‘Ž๐‘šใ€—^2 + ใ€–๐‘๐‘šใ€—^2) + (ใ€–๐‘Ž๐‘›ใ€—^2 + ใ€–๐‘๐‘›ใ€—^2) Both have ๐‘š^2 as common factor Both have ๐‘›^2 as common factor = ๐‘š^2 (๐‘Ž+๐‘)+๐‘›^2 (๐‘Ž+๐‘) Taking (a + b) common, = (a + b) (๐’Ž^๐Ÿ + ๐’^๐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 9 years. He provides courses for Maths and Science at Teachoo.