Question

the equation ax²+bx+c=0,x≠0 has equal root. Than
a) a²= 4bc
b) b² =4ac
c) c²=4bc
d) a+b+c =0​

Answer 1

Answer:

b) b²= 4ac

Step-by-step explanation:

For equal roots

b²- 4ac=0

b²= 4ac