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Prove that ∣∣∣∣b+ca−bac+ab−cba+bc−ac∣∣∣∣=3abc−a3−b3−c3 . |
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Answer» Prove that ∣∣ ∣∣b+ca−bac+ab−cba+bc−ac∣∣ ∣∣=3abc−a3−b3−c3 . |
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