Question

Factorise-- a³-b³-a+b

a^6-b^6

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Answer 1

A^6 - b^6

= (a^3)^2 - (b^3)^2

= (a^3 - b^3)(a^3 + b^3)

= ( a + b) (a^2 +b^2- ab) (a - b) ( a^2 + b^2 + ab)

= (a + b) (a - b) ((a^2 +b^2- ab) ( a^2 + b^2 + ab)

Answer 2

Step-by-step explanation:

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