Question

if both the zeroes of the quadratic polynomial x²+bx+c=0 are equal and opposite in sign then find value of b​

Answer 1

Answer:

this is a correct answer

Answer 2

Answer:

Let a and -a be the roots of given polynomial.

Then,

$\sf \longrightarrow \: a+(-a)=0$

$\sf \longrightarrow \: \frac{ - b}{a} =0$

$\sf \longrightarrow \: b=0$