f(x) = x³ - 5x²
V₁(x) = f'(x) = (x³)' - 5 * (x²)' = 3x² -10x
g(x) = x³ - 10x
V₂(x) = g'(x) = (x³)' - 10 * (x)' = 3x² - 10
V₁(x) = V₂(x)
3x² - 10x = 3x² - 10
- 10x = - 10
x = 1
ответ : при x = 1
f(x) = x³ - 5x²
V₁(x) = f'(x) = (x³)' - 5 * (x²)' = 3x² -10x
g(x) = x³ - 10x
V₂(x) = g'(x) = (x³)' - 10 * (x)' = 3x² - 10
V₁(x) = V₂(x)
3x² - 10x = 3x² - 10
- 10x = - 10
x = 1
ответ : при x = 1