Toán Lớp 9: P = \dfrac{{\sqrt x }}{{\sqrt x – 1}} + \dfrac{3}{{\sqrt x + 1}} – \dfrac{{6\sqrt x – 4}}{{x – 1}}
1)Rút gọn P
2)Tìm x để P=-1
3)Tìm x nguyên đển P nguyên
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Toán Lớp 9: P = \dfrac{{\sqrt x }}{{\sqrt x – 1}} + \dfrac{3}{{\sqrt x + 1}} – \dfrac{{6\sqrt x – 4}}{{x – 1}}
1)Rút gọn P
2)Tìm x để P=-1
3)Tìm x nguyên đển P nguyên
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