Question

if alpha and beta are the zeros of the polynomial 3x²-2x-7 then find the value of 1/beta+1/alpha​

Answer 1

Answer:

19/78

Step-by-step explanation:

alpha=3-2-7=-6

1/alpha =1/-6

beta =3*-2+-2*-7+-7*3=-6+14-21=14-27=-13

1/beta=1/-13

1/alpha+1/beta=1/-6+1/-13=19/78