Автор - jejrhrhth

Решите пожалуста C1 с обеих вариантов​

Ответ

Проверено экспертом

Автор - aastap7775

x^2 = |x|^2\C1.1\3x^2 + frac{x^2}{|x|}-4 = 0\3x^2 + |x| - 4 = 0\3|x|^2+|x|-4 = 0\|x| = t geq 0\3t^2 + t - 4 = 0\t_1 = 1 => |x| = 1 => x_1 = 1; x_2 = -1\t_2 = -frac{4}{3}<0\Answer: x_1 = 1; x_2 = -1\C1.2\x^2 + frac{x^2}{|x|}-6 = 0\|x|^2 + |x| - 6 = 0\|x| = t geq 0\t^2 + t - 6 = 0\t_1 = 2 => |x| = 2 => x_1=2;x_2=-2\t_2 = -3 < 0\Answer: x_1 = 2; x_2=-2

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