Question

What is the derivative of `f(x)=(x-1)(x-2)(x-3)`?

Answer 1

`(df(x))/(dx) = 3x^2-12x+12`

Explanation:

`f(x) = (x-1)(x-2)(x-3)`
`= x^3-6x^2+12x-6`

From there it is standard determination of a polynomial derivative.