Решите уравнение методом замены переменной:
3([tex] x^{2} [/tex]+[tex] \frac{1}{ x^{2} } [/tex])+2(x+[tex] \frac{1}{x} [/tex]) = 10
3([tex] x^{2} [/tex]+[tex] \frac{1}{ x^{2} } [/tex])+2(x+[tex] \frac{1}{x} [/tex]) = 10
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