Ex 14.2, 2 (ii) - Chapter 14 Class 8 Factorisation
Last updated at Dec. 26, 2018 by Teachoo
Transcript
Ex 14.2, 2 Factorise. (ii) 63๐^2 โ 112๐^2 63๐^2 โ 112๐^2 = (7 ร 9)๐^2โ (7 ร 16)๐^2 Taking 7 common, = 7 (9๐^2โ16b^2) = 7 ((3๐^2 )โ(4๐)^2 ) Using ๐ฅ^2โ๐ฆ^2=(๐ฅ+๐ฆ)(๐ฅโ๐ฆ) Here ๐ฅ=3๐ and ๐ฆ=4๐ = 7 (๐๐+๐๐) (๐๐โ๐๐)
Ex 14.2
Ex 14.2, 1 (i)
Ex 14.2, 1 (ii)
Ex 14.2, 1 (iii)
Ex 14.2, 1 (iv)
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) You are here
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.