giải hệ: a, \(\left\{{}\begin{matrix}x^2+\frac{1}{y^2}+\frac{x}{y}=3\\x+\frac{1}{y}+\frac{x}{y}=3\end{matrix}\right.\)
b, \(\left\{{}\begin{matrix}\sqrt[]{x-1}+\sqrt[]{y-1}=2\\\frac{1}{x}+\frac{1}{y}=1\end{matrix}\right.\)
c,\(\left\{{}\begin{matrix}x\sqrt[]{x}+y\sqrt[]{y}=35\\x\sqrt[]{y}+y\sqrt[]{x}=30\end{matrix}\right.\)
d,\(\left\{{}\begin{matrix}x^2+xy+y^2=3\\x+xy+y=-1\end{matrix}\right.\)
e,\(\left\{{}\begin{matrix}\left(\frac{x}{y}\right)^3+\left(\frac{x}{y}\right)^2=12\\\left(xy\right)^2+xy=6\end{matrix}\right.\)
giải hệ phương trình \(\left\{{}\begin{matrix}\frac{2x}{x-1}+\sqrt{y+1}=7\\\frac{3x}{x-1}-2\sqrt{y+1}=0\end{matrix}\right.\)
giúp mk ạ
giải hệ phương trình:\(\left\{{}\begin{matrix}\frac{3}{\sqrt{x-4}}+\frac{4}{y+2}=7\\\frac{5}{\sqrt{x-4}}-\frac{1}{y-2}=4\end{matrix}\right.\)
Giải hệ \(\left\{{}\begin{matrix}9+\left(y-5\right)^2=x+y\\\sqrt{y}-4+x=\frac{\sqrt{x+y}+\sqrt{x+y-9}+2}{\sqrt{y}-x+4}\end{matrix}\right.\)
Giải hệ phương trình
\(\left\{{}\begin{matrix}2\sqrt{\left(x+2\right)\left(3x-y\right)}=y+6\\\sqrt{x+2}+\sqrt{y+2}=\sqrt{xy+5x}-12\end{matrix}\right.\)
Giải hệ phương trình sau: \(\left\{{}\begin{matrix}2\left(xy+1\right)=x\left(x+y\right)+2\\3xy-x+3=\sqrt{x+2y+1}+\sqrt{x+4y+4}\end{matrix}\right.\)
giải hpt:
\(\left\{{}\begin{matrix}\frac{1}{x+y}+\frac{1}{\sqrt{x}-1}=3\\\frac{3y}{x+y}-\sqrt{x}=-2\end{matrix}\right.\)
Giải hệ phương trình:
\(\left\{{}\begin{matrix}x^3+2y^2+xy^2=2+x-2x^2\\4y^2=\left(\sqrt{y^2+1}+1\right)\left(y^2-x^3+3x-2\right)\end{matrix}\right.\)
\(\left\{{}\begin{matrix}\frac{\sqrt{5}x}{\sqrt{5}+1}=\frac{y}{\sqrt{5}-1}\\x+y=\sqrt{5}\end{matrix}\right.\)