Question

(i) (a2 + ab + b2)(a - b)​

Answer 1

Answer:

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$( {a}^{2} + ab + {b}^{2} )(a - b) \\ a( {a}^{2} + ab + {b}^{2} ) - b({a}^{2} + ab + {b}^{2} ) \\ {a}^{3} + {a}^{2} b + {ab}^{2} - {ba}^{2} - {ab}^{2} - {b}^{3} \\ {a}^{3} + \cancel{{a}^{2} b} + \cancel{{ab}^{2}} - \cancel{{ba}^{2} } - \cancel{{ab}^{2}} - {b}^{3} \\ {a}^{3} - {b}^{3}$

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Answer 2

Answer:

${a}^{3} - {b}^{3}$

is your answer