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bacthanthanh204
2 năm trước
Cho a là số thực dương lớn hơn 1 và x = $\sqrt[2]{a+\sqrt[2]{a^2-1 } }$ + $\sqrt[2]{a-\sqrt[2]{a^2-1 } }$ Tính P=x ³ - 2x ²-2(a+1)x + 4a +2024
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