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Verify a minus b whole cube |
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Answer» (a - b)³ as we KNOW (a - b)³ = (a - b) (a - b) (a - b) = and here by the multiplying TWO (a - b) we get = a² + b² - 2ab × (a - b) = a³ - a²b + ab² - b³ - 2a²b + 2ab² = a³ - b³ - 3a²b + 3ab² ( VERIFIED ) |
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