Wednesday, December 20, 2023
hasil dari 28Q-5Q²=Q²+4
Jawaban:
6Q² - 28Q +4 = 0
3Q² - 14Q + 2 = 0
Q² - 14/3 Q + 2/3 = 0
Q² - 14/6Q - 14/6Q = -2/3
Q² - 14/6Q - 14/6Q + 196/36 = -2/3 + 196/36
Q(Q - 14/6)-14/6(Q - 14/6) = -24/36 + 196/36
(Q - 14/6)(Q - 14/6) = 172/36
(Q - 14/6)² = 43/9
Q - 14/6 = ±√43/9
• Q = √43 / 3 + 7/3
Q = (7 + √43)/3
• Q = -√43 / 3 + 7/3
Q = (7 - √43)/3