Giải hệ:\(x+3.\sqrt{xy+x-y^2-y}=5y+4\)
\(\sqrt{4.y^2-y-2}+\sqrt{y-1}=x-1\)
Giải hệ: \(x+3.\sqrt{xy+x-y^2-y}=5y+4\)
\(\sqrt{4.y^2-y-2}+\sqrt{y-1}=x-1\)
Giải hệ: \(x+3.\sqrt{xy+x-y^2-y}=5y+4\)
\(\sqrt{4.y^2-y-2}+\sqrt{y-1}=x-1\)
Giải HPT \(\hept{\begin{cases}x^2+y^2-4xy\left(\frac{2}{x-y}-1\right)=4\left(4+xy\right)\\\sqrt{x-y} +3\sqrt{y^2-y+1}=2y^2-x+3\end{cases}}\)
Giải hpt:
\(\hept{\begin{cases}xy+6y\sqrt{x-1}+12y=4\\\frac{xy}{1+y}+\frac{1}{xy+y}=\frac{2\sqrt{x}}{\sqrt{x}+\sqrt{y}}\end{cases}}\)
Giải HPT sau:
\(\hept{\begin{cases}4\sqrt{x-1}-xy\sqrt{y^2+4}=0\\\sqrt{x^2-xy^2+1}+3\sqrt{x-1}=xy^2\end{cases}}\)
Giair hệ: \(x+3.\sqrt{xy+x-y^2-y}=5y+4\)
\(\sqrt{4.y^2-y-2}+\sqrt{y-1}=x-1\)
Giair hệ: \(x+3.\sqrt{xy+x-y^2-y}=5y+4\)
\(\sqrt{4.y^2-y-2}+\sqrt{y-1}=x-1\)
Giải HPT \(\hept{\begin{cases}\left(x-y\right)^2+4=3y-5x+2\sqrt{\left(x+1\right)\left(y-1\right)}\\\frac{3xy-5y-6x+11}{\sqrt{x^3+1}}=5\end{cases}}\)