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	Các bình luận về: Xét các số thực dương \(x,y\) thỏa mãn&#160;



\({\log _2}\frac{{{{\left( {x + y &#8211; 1} \right)}^2}}}{{xy + x + y &#8211; 1}} + 3\left( {{x^2} + {y^2} + xy + 2} \right) = 9\left( {x + y} \right)\). Tìm giá trị lớn nhất của \(P = \frac{{4x + 3y + 7}}{{3x + 2y + 1}}\).	</title>
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