Ex 14.2, 1 (vi) - Factorise 121b^2 - 88bc + 16c^2 - Ex 14.2

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

Transcript

Ex 14.2, 1 Factorise the following expressions. (vi) 121๐‘^2 โ€“ 88bc + 16๐‘^2 121๐‘^2 โ€“ 88bc + 16๐‘^2 = (11๐‘)^2โˆ’88๐‘๐‘+(4๐‘)^2 = (11๐‘)^2โˆ’2ร—11๐‘ร—4๐‘+(4๐‘)^2 = (11๐‘)^2+(4๐‘)^2โˆ’2ร—11๐‘ร—4๐‘ Using (๐‘ฅโˆ’๐‘ฆ^2 )=๐‘ฅ^2+๐‘ฆ^2โˆ’2๐‘ฅ๐‘ฆ Here, ๐‘ฅ = 11b and y = 4c = ใ€–(๐Ÿ๐Ÿ๐’ƒโˆ’๐Ÿ’๐’„)ใ€—^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 10 years. He provides courses for Maths and Science at Teachoo.