Question

Tolong ya makasih lagi butuh bgt

Answer 1

A= (p-2)
b = 4
c = (p+2)

αβ² + βα² = - 20
(αβ)(α + β) = - 20

{(p+2)/(p-2)}{ -4/ (p-2) } = -20
-4(p+2) / (p-2)² = - 20

-20(p-2)² = -4 (p+2)
5(p² - 4p + 4) = p + 2
5p² - 20p  + 20 = p + 2
5p² - 21p  + 18 = 0
(5p-6)(p-3)= 0
p = 6/5 atau p = 3