Giải pt nghiệm nguyên lớp 9

K

kamenriderw97

[TEX]x^2 + 2013x + 2014y^2 + y = xy + 2014xy^2 + 2015[/TEX]
[TEX]\Leftrightarrow x(x - 1) + 2014(x - 1) - 2014y^2(x - 1) - y(x - 1) = 1[/TEX]
[TEX]\Leftrightarrow (x - 1)(x + 2014 - 2014y^2 - y) = 1[/TEX]
[TEX]\Leftrightarrow \left[\begin{x = 2}\\{x = 0} [/TEX] (Do x,y nguyên)
.....
 
Top Bottom