Cara ngerjain nomer 14 kak

jawab

a = 1
b = 7
c = 14

α +β = -b/a = - 7
α.β = c/a   14

α/β + β/α =  (α² + b²)/(α b) = (a+b)² - 2ab / (a b)

= (-7)² - 2(14)/ (14)

= 21/14
 
= 3 /2  = 1, 5