M
membell


giải hệ pt sau:
[TEX]x^4 - x^3y +x^2y^2=1[/TEX]
[TEX]x^3y - x^2 +xy = -1[/TEX]
Thanks trước
[TEX]x^4 - x^3y +x^2y^2=1[/TEX]
[TEX]x^3y - x^2 +xy = -1[/TEX]
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