C
cockepno


Tìm m để hệ pt có nghiệm:
[TEX]\left{{\sqrt{x+1}+\sqrt{3-y}=m}\\{\sqrt{y+1}+\sqrt{3-x}=m}[/TEX]
[TEX]\left{{\sqrt{x+1}+\sqrt{3-y}=m}\\{\sqrt{y+1}+\sqrt{3-x}=m}[/TEX]
Last edited by a moderator: