Решите уравнение: f'(x)=0,если f(x)=2x^3-2,5x^2+x
F(x) = 2x³ - 2.5x² + x f'(x) = 6x² - 5x + 1 f'(x) = 0 6x² - 5x + 1 = 0 D = 25 + (-4)*1*6 = 25 - 24 = 1 √D = 1 x₁ = (5+1)/12 = 1/2 x₂ = (5-1)/12 = 1/3 ОТВЕТ: 1/3; 1/2