Решите систему уравнений. Created by silonte. matematika-ru

Решите систему уравнений...

July 2022 1 27 Report

Решите систему уравнений

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xtoto $\left \{ {{ \frac{x}{y} + \frac{y}{x} = \frac{10}{3} } \atop {3x-2y=7}} \right.;
 \left \{ {{ \frac{3x^2+3y^2-10xy}{3xy} = 0} } \atop {3x-2y=7}} \right. ;
\left \{ {{ 3x^2+3y^2-10xy = 0} } \atop {3x+7=2y}} \right. ;
\left \{ {{ 12x^2+3*(2y)^2-20x*2y = 0} } \atop {3x+7=2y}} \right. ;\\

\left \{ {{ 12x^2+3(3x+7)^2-20x(3x+7) = 0} } \atop {3x+7=2y}} \right. ;
\left \{ {{ 12x^2+3(9x^2+42x+49)-60x^2-140x = 0} } \atop {3x+7=2y}} \right. ;
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Answer: $(-3;\ -1),\ ( \frac{7}{3};\ 7 )$

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