Odpowiedź :
Zadanie
a = x
b = x + 3
c = 2x - 2
V = a · b · c
V = x · (x + 3) · (2x - 2) = (x² + 3x) · (2x - 2) = 2x³ - 2x² + 6x² - 6x = 2x³ + 4x² - 6x
Zadanie
a = x
b = x + 3
c = 2x - 2
V = a · b · c
V = x · (x + 3) · (2x - 2) = (x² + 3x) · (2x - 2) = 2x³ - 2x² + 6x² - 6x = 2x³ + 4x² - 6x