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doibuon95


GTLN, GTNN
[TEX]y=\frac{3 sqrt{ x+3} + 4 sqrt{1-x} +1}{4 sqrt {x+3} + 3 sqrt{ 1-x} +1}[/TEX]
[TEX]y=\frac{3 sqrt{ x+3} + 4 sqrt{1-x} +1}{4 sqrt {x+3} + 3 sqrt{ 1-x} +1}[/TEX]
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