2. Jika dik f(x+2) = -4maka f'(x-3)​

Jawaban:

f (x) = (x – x^2)^3

f'(x) = 3 (x – x^2)^2 . (1 – 2x)

f'(x) = (3 – 6x) (x – x^2)^2

f'(1) = – 3 . 0

f'(1) = 0