Question

the sum of zeroes of a quadratic equation ax2+bx+c is...​​

Answer 1

Answer:

-b/a is the sum of zeroes of quadratic equation ax²+bx+c

Answer 2

Step-by-step explanation:

We know that the roots of a quadratic equation ax

2

+bx+c=0 is

given by

2a

−b±

D

Here D=

b

2

−4ac

Let these roots be denoted by m and n

m=

2a

−b+

D

,n=

2a

−b−

D

Sum of roots m+n=

2a

−b+

D

+

2a

−b−

D

m+n=

2a

−2b

=−

a

b