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

Transcript

Ex 14.2, 4 Factorise. (iv) ๐‘ฅ^4 โ€“ ใ€–"(x โ€“ z)" ใ€—^4 ๐‘ฅ^4 โ€“ ใ€–"(x โ€“ z)" ใ€—^4 = ใ€–(๐‘ฅ^2)ใ€—^2 โˆ’ [(๐‘ฅ โˆ’ z)^2 ]^2 Using ๐‘Ž^2 โˆ’ ๐‘^2 = (a + b) (a โˆ’ b) Here ๐‘Ž=๐‘ฅ^2 and b = (๐‘ฅ โˆ’ z)^2 = [๐‘ฅ^2+(๐‘ฅ โˆ’ z)^2 ] [๐‘ฅ^2 โˆ’(๐‘ฅ โˆ’ z)^2] Asking Using ๐‘Ž^2 โˆ’ ๐‘^2 = (a + b) (a โˆ’ b) Here ๐‘Ž=๐‘ฅ and b = (๐‘ฅ โˆ’ z) Asking Using ๐‘Ž^2 โˆ’ ๐‘^2 = (a + b) (a โˆ’ b) Here ๐‘Ž=๐‘ฅ and b = (๐‘ฅ โˆ’ z) = [๐‘ฅ^2+(๐‘ฅ โˆ’ z)^2 ] [2๐‘ฅโˆ’ z] [๐‘ง] Using ๐‘Ž^2 โˆ’ ๐‘^2 = ๐‘Ž^2+๐‘^2 โˆ’ 2ab Here ๐‘Ž=๐‘ฅ and b = ๐‘ง Using ๐‘Ž^2 โˆ’ ๐‘^2 = ๐‘Ž^2+๐‘^2 โˆ’ 2ab Here ๐‘Ž=๐‘ฅ and b = 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.