Question: Use algebraic division to show these two important factorisations. a. x 3 y 3 = (x y)(x 2 + xy + y 2

Use algebraic division to show these two important factorisations.

a. x3 − y3 = (x − y)(x2 + xy + y2 ) 

b. x3 + y3 = (x + y)(x2 − xy + y2 )

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