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Ex 14.2, 4 (iv) - Factorise x^4 - (x - z)^4 - Chapter 14 Class 8

Ex 14.2, 4 (iv) - Chapter 14 Class 8 Factorisation - Part 2


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Ex 14.2, 4 Factorise. (iv) 𝑥^4 – 〖"(x – z)" 〗^4 𝑥^4 – 〖"(x – z)" 〗^4 = 〖(𝑥^2)〗^2 − [(𝑥 − z)^2 ]^2 Using 𝑎^2 − 𝑏^2 = (a + b) (a − b) Here 𝑎=𝑥^2 and b = (𝑥 − z)^2 = [𝑥^2+(𝑥 − z)^2 ] [𝑥^2 −(𝑥 − z)^2] Asking Using 𝑎^2 − 𝑏^2 = (a + b) (a − b) Here 𝑎=𝑥 and b = (𝑥 − z) Asking Using 𝑎^2 − 𝑏^2 = (a + b) (a − b) Here 𝑎=𝑥 and b = (𝑥 − z) = [𝑥^2+(𝑥 − z)^2 ] [2𝑥− z] [𝑧] Using 𝑎^2 − 𝑏^2 = 𝑎^2+𝑏^2 − 2ab Here 𝑎=𝑥 and b = 𝑧 Using 𝑎^2 − 𝑏^2 = 𝑎^2+𝑏^2 − 2ab Here 𝑎=𝑥 and b = 𝑧

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.