[Problem of the day][数学挑战][Algebra][代数][7] [Simplifying a sum of two cube roots] Algebra

casperyc的马甲 2023-4-22 1005

Simplify this sum of two cube roots. $$ \Huge \sqrt[3]{8+3\sqrt{21}} + \sqrt[3]{8-3\sqrt{21}} $$

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