Решите уравнение: f штрих(x)=0 a) f(x)=x^3+3x^2+3x+1 b) f(x)=x^3-6x^2+12x-1 Срочно(!)
#1 3x^2 + 6x + 3 = 0 D = 36 - 36 = 0 x = - b/2a = - 6/6 = - 1 #2 3x^2 - 12x^2 + 12 = 0 /:3 x^2 - 4x + 4 = 0 (x - 2)^2 = 0 x - 2 = 0 x = 2