Ex 14.2, 1 (vi) - Chapter 14 Class 8 Factorisation
Last updated at Dec. 1, 2021 by Teachoo
Ex 14.2
Ex 14.2, 1 (i)
Ex 14.2, 1 (ii)
Ex 14.2, 1 (iii) Important
Ex 14.2, 1 (iv) Important
Ex 14.2, 1 (v)
Ex 14.2, 1 (vi) You are here
Ex 14.2, 1 (vii) Important
Ex 14.2, 1 (viii)
Ex 14.2, 2 (i)
Ex 14.2, 2 (ii) Important
Ex 14.2, 2 (iii)
Ex 14.2, 2 (iv) Important
Ex 14.2, 2 (v)
Ex 14.2, 2 (vi)
Ex 14.2, 2 (vii) Important
Ex 14.2, 2 (viii) Important
Ex 14.2, 3 (i)
Ex 14.2, 3 (ii) Important
Ex 14.2, 3 (iii)
Ex 14.2, 3 (iv) Important
Ex 14.2, 3 (v) Important
Ex 14.2, 3 (vi)
Ex 14.2, 3 (vii)
Ex 14.2, 3 (viii) Important
Ex 14.2, 3 (ix)
Ex 14.2, 4 (i)
Ex 14.2, 4 (ii) Important
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)
Transcript
Ex 14.2, 1 Factorise the following expressions. (vi) 121𝑏^2 – 88bc + 16𝑐^2 121𝑏^2 – 88bc + 16𝑐^2 = (11𝑏)^2−88𝑏𝑐+(4𝑐)^2 = (11𝑏)^2−2×11𝑏×4𝑐+(4𝑐)^2 = (11𝑏)^2+(4𝑐)^2−2×11𝑏×4𝑐 Using (𝑥−𝑦^2 )=𝑥^2+𝑦^2−2𝑥𝑦 Here, 𝑥 = 11b and y = 4c = 〖(𝟏𝟏𝒃−𝟒𝒄)〗^𝟐
