Уравнение [tex]x^{2}+cx+6=0[/tex] имеет корни [tex]x_{1}[/tex] и [tex]x_{2}[/tex].
Выразите [tex]\frac{x_{1} }{x_{2} }[/tex]+[tex]\frac{x_{2} }{x_{1} }[/tex] через переменную с.
Заранее спасибо!!
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