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Ex 14.2, 1 (v) - Chapter 14 Class 8 Factorisation
Last updated at March 16, 2023 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) You are here
Ex 14.2, 1 (vi)
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. (v) 4𝑥^2 – 8x + 4 4𝑥^2 – 8x + 4 = 4 (𝑥^2−2𝑥+1) = 4 (𝑥^2+1−2𝑥) = 4 (𝑥^2+1^2−2×𝑥×1) = 𝟒 〖(𝒙−𝟏)〗^𝟐 Using (𝑎−𝑏^2 )=𝑎^2+𝑏^2−2𝑎𝑏 Here, 𝑎 = x and b = 1 = 𝟒 〖(𝒙−𝟏)〗^𝟐
