24 tháng 6 2022 lúc 21:25
Các câu hỏi tương tự
giải hệ ạ
1. \(\left\{{}\begin{matrix}x\sqrt{2}-3y=1\\2x+y\sqrt{2}=-2\end{matrix}\right.\)
2. \(\left\{{}\begin{matrix}5x\sqrt{3}+y=2\sqrt{2}\\x\sqrt{6}-y\sqrt{2}=2\end{matrix}\right.\)
25 tháng 11 2023 lúc 20:36
Giải hpt sau:a)left{{}begin{matrix}2left(x^2-2xright)+sqrt{y+1}03left(x^2-2xright)-2sqrt{y+1}+70end{matrix}right.b)left{{}begin{matrix}5left|x-1right|-3left|y+2right|72sqrt{4x^2-8x+4}+5sqrt{y^2+4y+4}13end{matrix}right.c)left{{}begin{matrix}dfrac{3x}{x+1}-dfrac{2}{y+4}4dfrac{2x}{x+1}-dfrac{5}{y+4}9end{matrix}right.d)left{{}begin{matrix}dfrac{x+1}{x-1}+dfrac{3y}{y+2}7dfrac{2}{x-1}-dfrac{5}{y+2}4end{matrix}right.
Đọc tiếp
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)\(\left\{{}\begin{matrix}\dfrac{x+1}{x-1}+\dfrac{3y}{y+2}=7\\\dfrac{2}{x-1}-\dfrac{5}{y+2}=4\end{matrix}\right.\)
17 tháng 1 2022 lúc 20:22
Giải hệ phương trình:
a,\(\left\{{}\begin{matrix}\sqrt{x+y}\left(\sqrt{y}+1\right)=\sqrt{x^2+y^2}+2\\x\sqrt{y-1}+y\sqrt{x-1}=\dfrac{x^2+4y-4}{2}\end{matrix}\right.\)
b, \(\left\{{}\begin{matrix}x^3+2y^2=x^2y+2xy\\2\sqrt{x^2-2y-1}+\sqrt[3]{y^3-14}=x-2\end{matrix}\right.\)
1 tháng 12 2021 lúc 15:30
Giải hệ\(\left\{{}\begin{matrix}xy-y^2+2y-x-1=\sqrt{y-1}-\sqrt{x}\\3\sqrt{6-y}+3\sqrt{2x+3y-7}=2x+7\end{matrix}\right.\)
giải hệ phương trình (theo 4 cách):
a/ \(\left\{{}\begin{matrix}\sqrt{5}x-y=\sqrt{5}\left(\sqrt{3}-1\right)\\2\sqrt{3}x+3\sqrt{5}y=21\end{matrix}\right.\)
b/ \(\left\{{}\begin{matrix}1,7x-2y=3,8\\2,1x+5y=0,4\end{matrix}\right.\)
giải hệ pt
c)\(\left\{{}\begin{matrix}3\sqrt{x-1}+2\sqrt{y}=13\\2\sqrt{x-1}-\sqrt{y}=4\end{matrix}\right.\)
d)\(\left\{{}\begin{matrix}\left(x-1\right)+\left(y+2\right)=2\\4\left(x-1\right)+3\left(y+2\right)=7\end{matrix}\right.\)
26 tháng 10 2021 lúc 17:16
Ghpt:
a) \(\left\{{}\begin{matrix}\left(4x^2+1\right).x+\left(y-3\right)\sqrt{5-2y}=0\\4x^2+y^2+2\sqrt{3-4x}=7\end{matrix}\right.\)
b) \(\left\{{}\begin{matrix}x^2+y^2=5\\\sqrt{y-1}\left(x+y-1\right)=\left(y-2\right)\sqrt{x+y}\end{matrix}\right.\)
Giải hệ phương trình\(\left\{{}\begin{matrix}x-3y-2+\sqrt{y\left(x-y-1\right)+x}=0\\3\sqrt{8-x}-\dfrac{4y}{\sqrt{y+1}}+1=x^2-14y-8\end{matrix}\right.\)
\(\left\{{}\begin{matrix}xy-y^2+2y-x-1=\sqrt{y-1}-\sqrt{x}\\3\sqrt{6-y}+3\sqrt{2x+3y-7}=2x+7\end{matrix}\right.\)
giải các hpt sau: a)\(\left\{{}\begin{matrix}4\sqrt{5}-y=3\sqrt{2}\\10x+\sqrt{2}y=-1\end{matrix}\right.\)
b) \(\left\{{}\begin{matrix}\dfrac{3x}{4}+\dfrac{2y}{5}=2,3\\x-\dfrac{3y}{5}=0,8\end{matrix}\right.\)
c) \(\left\{{}\begin{matrix}\left|x-1\right|-\dfrac{3}{\sqrt{y-2}}=-1\\2\left|1-x\right|+\dfrac{1}{\sqrt{y-2}}=5\end{matrix}\right.\)cíu zới