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 \(\left\{{}\begin{matrix}9+\left(y-5\right)^2=x+y\\\sqrt{y}-4+x=\frac{\sqrt{x+y}+\sqrt{x+y-9}+2}{\sqrt{y}-x+4}\end{matrix}\right.\)
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 hpt:
a)\(\left\{{}\begin{matrix}\dfrac{10}{\sqrt{12x-3}}+\dfrac{5}{\sqrt{4y+1}}=1\\\dfrac{7}{\sqrt{12x-3}}+\dfrac{8}{\sqrt{4y+1}}=1\end{matrix}\right.\)
b)\(\left\{{}\begin{matrix}\dfrac{1}{x}+\dfrac{1}{y}=4\\x\left(1+4y\right)+y=2\end{matrix}\right.\)
c)\(\left\{{}\begin{matrix}x^2+x+1=3y\\y^2+y+1=3x\end{matrix}\right.\)
Giải hệ phương trình
\(\left\{{}\begin{matrix}\sqrt{\frac{x}{y}}+\sqrt{\frac{y}{x}}=\frac{7}{\sqrt{xy}}+1\\\sqrt{x^3y}+\sqrt{y^3x}=78\end{matrix}\right.\)
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: \(\left\{{}\begin{matrix}x+y+\sqrt{2y-1}+\sqrt{x-y}=5\\y^2+2=xy+y\end{matrix}\right.\)
giải hệ phương trình \(\left\{{}\begin{matrix}\frac{2x}{x-1}+\sqrt{y+1}=7\\\frac{3x}{x-1}-2\sqrt{y+1}=0\end{matrix}\right.\)
\(\left\{{}\begin{matrix}5x-2\sqrt{5}y=\sqrt{5}\\5x+y\sqrt{5}=-5\end{matrix}\right.\)
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