Ex 14.2, 1 (viii) - Factorise a^4 + 2a^2b^2 + b^4 - Ex 14.2

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

Transcript

Ex 14.2, 1 Factorise the following expressions. (viii) ๐‘Ž^4 + 2๐‘Ž^2 ๐‘^2 + ๐‘^4 ๐‘Ž^4 + 2๐‘Ž^2 ๐‘^2 + ๐‘^4 Using (๐‘Ž^๐‘š )^๐‘›=๐‘Ž^(๐‘š ร— ๐‘›) โˆด (๐‘Ž^2 )^2 = ๐‘Ž^(2 ร— 2)=๐‘Ž^4 = (๐‘Ž^2 )^2+ใ€–2๐‘Žใ€—^2 ๐‘^2+(๐‘^2 )^2 = (๐‘Ž^2 )^2+2(๐‘Ž^2ร—๐‘^2)+(๐‘^2 )^2 =(๐‘Ž^2 )^2+(๐‘^2 )^2+2(๐‘Ž^2ร—๐‘^2) Using (๐‘ฅ+๐‘ฆ)^2=๐‘ฅ^2+๐‘ฆ^2+2๐‘ฅ๐‘ฆ Here, ๐‘ฅ = ๐‘Ž^2 and y = ๐‘^2 = (๐’‚^๐Ÿ+๐’ƒ^๐Ÿ )^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.