Question

if alpha and beta are the zeros of x²-6a+a find a if 3 alpha + 2 beta =20​

Answer 1

Answer:

a = -16

Step-by-step explanation:

sum of roots =alpha +beta = 6

given 3 alpha +2 beta = 20

so, alpha +2(alpha + beta ) =20

so alpha = 8 ,beta= -6

product of roots is -16

so, a = - 16