giải hpt: \(\hept{\begin{cases}x^3-8x=y^3+2y\\x^2-3=3\left(y^2+1\right)\end{cases}}\)
Giải hpt sau:
a)\(\left\{{}\begin{matrix}2\left(x^2-2x\right)+\sqrt{y+1}=0\\3\left(x^2-2x\right)-2\sqrt{y+1}+7=0\end{matrix}\right.\)
b)\(\left\{{}\begin{matrix}5\left|x-1\right|-3\left|y+2\right|=7\\2\sqrt{4x^2-8x+4}+5\sqrt{y^2+4y+4}=13\end{matrix}\right.\)
c)\(\left\{{}\begin{matrix}\dfrac{3x}{x+1}-\dfrac{2}{y+4}=4\\\dfrac{2x}{x+1}-\dfrac{5}{y+4}=9\end{matrix}\right.\)
d)\(\left\{{}\begin{matrix}\dfrac{x+1}{x-1}+\dfrac{3y}{y+2}=7\\\dfrac{2}{x-1}-\dfrac{5}{y+2}=4\end{matrix}\right.\)
Giải hpt sau : \(\hept{\begin{cases}5\left|x-1\right|-3\left|y+2\right|=7\\2\sqrt{4x^2-8x+4}+5\sqrt{y^2+4y+4}=13\end{cases}}\)
Giải hpt a) x-2y=5 3x+y=8 b) 1/x+1+2/y-2=3 3/x+1-1/y-2=2
giải hpt x^3-3xy^2-x-1=y^2+2xy-x^2 và y^3-3yx^2+y+1=x^2+2xy-y^2
Giải hpt:
x^2 + y^2 − 3x + 4y = 1
3.x^2 − 2.y^2 − 9x − 8y = 3
giải hpt\(\hept{\begin{cases}x^2+y^2+4\frac{y}{x}=22\\\frac{3}{x^2+y^2-3}+2\frac{x}{y}=1\end{cases}}\)
Giải hpt: \(\left\{{}\begin{matrix}x^3+y^2=\dfrac{50}{27}\\x^2+xy+y^2-y=1\end{matrix}\right.\)
giải HPT \(\hept{\begin{cases}x^2+xy^2-xy-y^3=0\\2\sqrt{y}-2\left(x^2+1\right)-3\sqrt{x}\left(y+1\right)-y=0\end{cases}}\)