Giải hệ
$$\left\{\begin{matrix} \sqrt{x^2+x+1}-\sqrt{y^2-y+1}=\sqrt{x^2-xy+y^2} \\ 4(x+1)(xy+y-1)-3x=\sqrt[3]{x^4-x^2} \end{matrix}\right.$$
Edited by Tinh1100174, 15-04-2016 - 11:21.
$$\left\{\begin{matrix} \sqrt{x^2+x+1}-\sqrt{y^2-y+1}=\sqrt{x^2-xy+y^2} \\ 4(x+1)(xy+y-1)-3x=\sqrt[3]{x^4-x^2} \end{matrix}\right.$$
Started By Tinh1100174, 15-04-2016 - 11:16
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
