Question

Помогите под б и в!Не проходите мимо)

Answer 1

б) f'(x) = 12x² - 6x - 36 = 0
2x² - x - 6 = 0
D = 1 + 48 = 49
x1 = (1 + 7)/4 = 2
x2 = (1 - 7)/4 = -1.5

в) f'(x) = 4x³ - 4x = 0
x³ - x = 0
x(x² - 1) = 0
x1 = 0
x2 = 1
x3 = -1