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Ex 14.2, 1 (i) - Chapter 14 Class 8 Factorisation
Last updated at Dec. 26, 2018 by Teachoo
Ex 14.2
Ex 14.2, 1 (i)
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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)
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. (i) 𝑎^2 + 8a + 16 a^2 + 8a + 16 =〖 𝑎〗^2 + 8a + 4^2 =〖 𝑎〗^2 + (2 × a × 4) + 4^2 = 〖 𝑎〗^2 + 4^2 + (2 × a × 4) = 〖(𝒂+𝟒)〗^𝟐 Using (𝑥+𝑦^2)=𝑥^2+𝑦^2+2𝑥𝑦 Here, 𝑥 = a and y = 4 = 〖(𝒂+𝟒)〗^𝟐
