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  1. Chapter 14 Class 8 Factorisation
  2. Concept wise

Transcript

Ex 14.2, 4 Factorise. (i) ๐‘Ž^4 โ€“ ๐‘^4 ๐‘Ž^4 โ€“ ๐‘^4 = (๐‘Ž^2 )^2 โˆ’ (๐‘^2 )^2 Using ๐‘ฅ^2 โˆ’ ๐‘ฆ^2 = (x + y) (x โˆ’ y) Here ๐‘ฅ=๐‘Ž^2 and y = ๐‘^2 = (๐‘Ž^2+๐‘^2 ) (๐‘Ž^2 โˆ’ b^2) Using ๐‘ฅ^2 โˆ’ ๐‘ฆ^2 = (x + y) (x โˆ’ y) Here ๐‘ฅ=๐‘Ž and y = ๐‘ = (๐‘Ž^2+๐‘^2 ) (๐‘Ž+๐‘) (๐‘Ž โˆ’ b) = (๐’‚ โˆ’ ๐’ƒ) (๐’‚+๐’ƒ) (๐’‚^๐Ÿโˆ’ ๐’ƒ^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.