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Binh nhì
cho.e.hỏi.bài.này.ạ
(35-12x)$\sqrt{x^{2}-1}$<12x
$\frac{60}{x-\sqrt{x^{2}-1}}$$\leq$(281-60x)$\sqrt{x^{2}-1}$
em.cảm.ơn.ạ
Trung sĩ
cho.e.hỏi.bài.này.ạ (35-12x)$\sqrt{x^{2}-1}$<12x $\frac{60}{x-\sqrt{x^{2}-1}}$$\leq$(281-60x)$\sqrt{x^{2}-1}$ em.cảm.ơn.ạ
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