2. Решите уравнение: б) 4x3 – 8x2 – x + 2 = 0.

4x^3 - 8x^2 - x + 2 = 0 4x^2(x - 2) - 1(x - 2) = 0 (4x^2 - 1)(x - 2) = 0 (2x - 1)(2x + 1)(x - 2) = 0 2x - 1 = 0 \text{ или } 2x + 1 = 0 \text{ или } x - 2 = 0 x_1 = \frac{1}{2}, x_2 = -\frac{1}{2}, x_3 = 2 Ответ: -\frac{1}{2}; \frac{1}{2}; 2