Question

if alpha and beta are the zeros of the polynomial x^2-2x +8 then sum of their reciprocal is​

Answer 1

Answer:

alpha + beta = -b/a

alpha +beta= 2

Now,

alpha×beta = c/ a

alpha ×beta = 8

so

1/alpha + 1/beta = alpha+beta upon alpha×beta

= 2/8

=1/4