Question

write the condition for the roots become equal in the equation ax²+BC+c = 0 (a,b,c are real a≠0 )
plz help me​

Answer 1

Answer:

⇒ Let two roots be α and β. So, here either c or a will be negative. Means, a and c will be having opposite sign. a>0,c<0 or c>0,a<0 and b=0.