\(\left\{{}\begin{matrix}\left(x+y\right)^2+3\left(x+y\right)=4\\2x+7y=12\end{matrix}\right.\)
giải hpt
Giải hệ phương trình sau:
\(\left\{{}\begin{matrix}3x-2\left|y\right|=9\\2x+3\left|y\right|=1\end{matrix}\right.\)
\(\left\{{}\begin{matrix}\left|x-2\right|+2\left|y-1\right|=9\\x+\left|y-1\right|=-1\end{matrix}\right.\)
giải hpt \(\left\{{}\begin{matrix}2\left(x-2\right)^2+\dfrac{1}{\sqrt{y+5}}=3\\\left(x-2\right)^2-\dfrac{2}{\sqrt{y+5}}=-1\end{matrix}\right.\)
Giải hệ phương trình:
a)\(\left\{{}\begin{matrix}\left|2x-y\right|-2\left|y-x\right|=1\\3\left|2x-y\right|+\left|x+y\right|=10\end{matrix}\right.\)
b)\(\left\{{}\begin{matrix}\left(\dfrac{x}{y}\right)^2+\left(\dfrac{x}{y}\right)^3=12\\\left(xy\right)^2+xy=6\end{matrix}\right.\)
Tìm m để HPT sau :
b,\(\left\{{}\begin{matrix}mx+y=m+1\\x+my=2\end{matrix}\right.\) vô nghiệm
c,\(\left\{{}\begin{matrix}x+my=2\\mx-2y=1\end{matrix}\right.cónghiệm\left(x;y\right)thỏamãn:x>0,y< 0\)
d,\(\left\{{}\begin{matrix}mx+y=4\\x-my=1\end{matrix}\right.cónghiệm\left(x;y\right)thỏamãn:x+y=\dfrac{8}{m^2+1}\)
Giải hệ phương trình
a, \(\left\{{}\begin{matrix}\left(x+1\right)\left(y+1\right)=8\\x\left(x+1\right)+y\left(y+1\right)+xy=17\end{matrix}\right.\)
b, \(\left\{{}\begin{matrix}x+y+xy=3\\x^2+y^2=2\end{matrix}\right.\)
c, \(\left\{{}\begin{matrix}x^2+y^2+xy=4\\x-y-3xy=16\end{matrix}\right.\)
GIÚP MÌNH NHÉ
Giải hệ phương trình:
1, \(\left\{{}\begin{matrix}x^2+1+y^2+xy=y\\x+y-2=\frac{y}{1+x^2}\end{matrix}\right.\)
2, \(\left\{{}\begin{matrix}x^3+8y^3-4xy^2=1\\2x^4+8y^4-2x-y=0\end{matrix}\right.\)
3, \(\left\{{}\begin{matrix}x^2+y^2=\frac{1}{5}\\4x^2+3x-\frac{57}{25}=-y\left(3x+1\right)\end{matrix}\right.\)
4, \(\left\{{}\begin{matrix}\sqrt{12-y}+\sqrt{y\left(12-x\right)}=12\\x^3-8x-1=2\sqrt{y-2}\end{matrix}\right.\)
5, \(\left\{{}\begin{matrix}\left(1-y\right)\sqrt{x-y}+x=2+\left(x-y-1\right)\sqrt{y}\\2y^2-3x+6y+1=2\sqrt{x-2y}-\sqrt{4x-5y-3}\end{matrix}\right.\)
Giải các hệ phương trình sau
a.\(\left\{{}\begin{matrix}2\left(3x-2\right)-4=5\left(3y+2\right)\\4\left(3x-2\right)+7\left(3y+2\right)=-2\end{matrix}\right.\)
b.\(\left\{{}\begin{matrix}3\left(x+y\right)+5\left(x-y\right)=12\\-5\left(x+y\right)+2\left(x-y\right)=11\end{matrix}\right.\)
Giải rõ từng bước giùm mình nhé
Giải HPT:
\(\left\{{}\begin{matrix}\sqrt{y^2-3x}+\sqrt{x^2-8y}=5\\x\left(x-3\right)+y\left(y+8\right)=13\end{matrix}\right.\)