Question

If 1,2,3 are the roots of the equation x³+ax²+bx+c=0 then

Answer 1

Step-by-step explanation:

The equation with these three roots will be

(x−1)(x−2)(x−3)=0.

Expanding and rearranging, we get

(x

2

−3x+2)(x−3)=0

x

3

−6x

2

+11x−6=0

Comparing it with x

3

+ax

2

+bx+c=0, we get

a=−6, b=11 and c=−6

Answer By

Momin Sajjad (momin.web.com)