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Ex 14.2, 4 (iii)  - Factorise x^4 - (y + z)^4 - Chapter 14 Class 8


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

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