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

Transcript

Ex 14.2, 4 Factorise. (iii) ๐‘ฅ^4 โ€“ ใ€–"(y + z)" ใ€—^4 ๐‘ฅ^4 โ€“ ใ€–"(y + z)" ใ€—^4 = (๐‘ฅ^2 )^2 โˆ’((ใ€–๐‘ฆ+๐‘ง)ใ€—^2 )^2 Using ๐‘Ž^2 โˆ’ ๐‘^2 = (a + b) (a โˆ’ b) Here ๐‘Ž=๐‘ฅ^2 and b = (๐‘ฅโˆ’๐‘ง)^2 = [๐‘ฅ^2+(๐‘ฆ+ z)^2 ] [๐‘ฅ^2 โˆ’(๐‘ฆ+ z)^2] Again Using ๐‘Ž^2 โˆ’ ๐‘^2 = (a + b) (a โˆ’ b) Here ๐‘Ž=๐‘ฅ and b = (๐‘ฆ+๐‘ง) Again Using ๐‘Ž^2 โˆ’ ๐‘^2 = (a + b) (a โˆ’ b) Here ๐‘Ž=๐‘ฅ and b = (๐‘ฆ+๐‘ง)

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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.