Question

If
$x$

and B are two equal roots then ,sum of zero of quadratic equations is​

Answer 1

Answer:

"The roots of the equation ax²+bx+c=0

are x= (- b + √(b²-4ac))/2a and

x=(- b -√(b²-4ac))/2a.

If these two roots have to be same, then

b² - 4ac = 0

So, b= 2 * √(a*c) "