What is (a-b) when power raised to 3
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( a-b)³=a³-3a²b+3ab²-b³
trick solve =(a-b)(a-b)(a-b) you get same result
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Avengerankit:
its a^3 - 3a^2b + 3ab^2 + b^3 instead of a^3 - 3a^2b + 3ab^2 - b^3
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