A
adamfu


F=[TEX](1+\frac{3}{x+\sqrt{x}-2}-\frac{1}{\sqrt{x}-1}):(1-\frac{3}{\sqrt{x}+2})[/TEX]
a, RÚT GỌN
b, Tìm x nguyên A nguyên
c, GTNN P=F[TEX](x-5\sqrt{x}+4)[/TEX]
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