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Ex 14.2, 4 (i) - Chapter 14 Class 8 Factorisation
Last updated at March 31, 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)
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) You are here
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, 4 Factorise. (i) 𝑎^4 – 𝑏^4 𝑎^4 – 𝑏^4 = (𝑎^2 )^2 − (𝑏^2 )^2 Using 𝑥^2 − 𝑦^2 = (x + y) (x − y) Here 𝑥=𝑎^2 and y = 𝑏^2 = (𝑎^2+𝑏^2 ) (𝑎^2 − b^2) Using 𝑥^2 − 𝑦^2 = (x + y) (x − y) Here 𝑥=𝑎 and y = 𝑏 = (𝑎^2+𝑏^2 ) (𝑎+𝑏) (𝑎 − b) = (𝒂 − 𝒃) (𝒂+𝒃) (𝒂^𝟐− 𝒃^𝟐)
