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ngojsaoleloj8814974
Một số bài giải hệ phương trình ne`!!!!
[tex]a,\left{\begin{2(x+y)=xy}\\{xy+yz+xz=108}\\{xyz=108} [/tex]
[tex]b,\left{\begin{x^3+y^3+x^2(y+z)=xyz+14}\\{y^3+z^3+y^2(z+x)=xyz-21}\\{x^3+z^3+z^2(x+y)=xyz+7} [/tex]
[tex]c,\left{\begin{x^2=y+1}\\{y^2=z+1}\\{z^2=x+1} [/tex]
[tex]c,\left{\begin{y^3-6x^2+12x-8=0}\\{z^3-6y^2+12y-8=0}\\{x^3-6z^2+12z-8=0 [/tex]
[tex]d,\left{\begin{xy^2-2y+3x^2=0}\\{x^2+y^2x+2x=0}[/tex]
[tex]e,\left{\begin{x^2y^2-2x+y^2=0}\\{2x^2-4x+3+y^3=0}[/tex]
[TEX]f,\left{\begin{xy-3x-2y=16}\\{x^2+y^2-2x-4y=33}[/tex]
[TEX]g,\left{\begin{x^6+y^6=1}\\{x^4+y^4=1}[/tex]
[TEX]h,\left{\begin{x^3+y^3=1}\\{xy^2+2x^2y+x^3=2}[/tex]
[tex]a,\left{\begin{2(x+y)=xy}\\{xy+yz+xz=108}\\{xyz=108} [/tex]
[tex]b,\left{\begin{x^3+y^3+x^2(y+z)=xyz+14}\\{y^3+z^3+y^2(z+x)=xyz-21}\\{x^3+z^3+z^2(x+y)=xyz+7} [/tex]
[tex]c,\left{\begin{x^2=y+1}\\{y^2=z+1}\\{z^2=x+1} [/tex]
[tex]c,\left{\begin{y^3-6x^2+12x-8=0}\\{z^3-6y^2+12y-8=0}\\{x^3-6z^2+12z-8=0 [/tex]
[tex]d,\left{\begin{xy^2-2y+3x^2=0}\\{x^2+y^2x+2x=0}[/tex]
[tex]e,\left{\begin{x^2y^2-2x+y^2=0}\\{2x^2-4x+3+y^3=0}[/tex]
[TEX]f,\left{\begin{xy-3x-2y=16}\\{x^2+y^2-2x-4y=33}[/tex]
[TEX]g,\left{\begin{x^6+y^6=1}\\{x^4+y^4=1}[/tex]
[TEX]h,\left{\begin{x^3+y^3=1}\\{xy^2+2x^2y+x^3=2}[/tex]
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