Ex 14.2, 1 (iv) - Chapter 14 Class 8 Factorisation
Last updated at Dec. 26, 2018 by Teachoo
Transcript
Ex 14.2, 1 Factorise the following expressions. (iv) 49๐ฆ^2 + 84yz + 36๐ง^2 49๐ฆ^2 + 84yz + 36๐ง^2 = ใ(7๐ฆ)ใ^2+84๐ฆ๐ง+ใ(6๐ง)ใ^2 = ใ(7๐ฆ)ใ^2+ 2ร7๐ฆร6๐ง+ใ(6๐ง)ใ^2 = ใ(7๐ฆ)ใ^2+ ใ(6๐ง)ใ^2+ 2ร7๐ฆร6๐ง Using (๐+๐^2 )=๐^2+๐^2+2๐๐ Here, ๐ = 7y and b = 6z = ใ(๐๐+๐๐)ใ^๐
Ex 14.2
Ex 14.2, 1 (i)
Ex 14.2, 1 (ii)
Ex 14.2, 1 (iii)
Ex 14.2, 1 (iv) You are here
Ex 14.2, 1 (v)
Ex 14.2, 1 (vi) Important
Ex 14.2, 1 (vii)
Ex 14.2, 1 (viii) Important
Ex 14.2, 2 (i)
Ex 14.2, 2 (ii)
Ex 14.2, 2 (iii)
Ex 14.2, 2 (iv)
Ex 14.2, 2 (v)
Ex 14.2, 2 (vi)
Ex 14.2, 2 (vii)
Ex 14.2, 2 (viii) Important
Ex 14.2, 3 (i)
Ex 14.2, 3 (ii)
Ex 14.2, 3 (iii) Important
Ex 14.2, 3 (iv) Important
Ex 14.2, 3 (v)
Ex 14.2, 3 (vi)
Ex 14.2, 3 (vii) Important
Ex 14.2, 3 (viii) Important
Ex 14.2, 3 (ix)
Ex 14.2, 4 (i)
Ex 14.2, 4 (ii)
Ex 14.2, 4 (iii)
Ex 14.2, 4 (iv) Important
Ex 14.2, 4 (v) Important
Ex 14.2, 5 (i)
Ex 14.2, 5 (ii) Important
Ex 14.2, 5 (iii)
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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.