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Ex 14.2, 1 (viii) - Chapter 14 Class 8 Factorisation
Last updated at March 23, 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)
Ex 14.2, 1 (vi)
Ex 14.2, 1 (vii) Important
Ex 14.2, 1 (viii) You are here
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. (viii) 𝑎^4 + 2𝑎^2 𝑏^2 + 𝑏^4 𝑎^4 + 2𝑎^2 𝑏^2 + 𝑏^4 Using (𝑎^𝑚 )^𝑛=𝑎^(𝑚 × 𝑛) ∴ (𝑎^2 )^2 = 𝑎^(2 × 2)=𝑎^4 = (𝑎^2 )^2+〖2𝑎〗^2 𝑏^2+(𝑏^2 )^2 = (𝑎^2 )^2+2(𝑎^2×𝑏^2)+(𝑏^2 )^2 =(𝑎^2 )^2+(𝑏^2 )^2+2(𝑎^2×𝑏^2) Using (𝑥+𝑦)^2=𝑥^2+𝑦^2+2𝑥𝑦 Here, 𝑥 = 𝑎^2 and y = 𝑏^2 = (𝒂^𝟐+𝒃^𝟐 )^𝟐
