Question

If the roots of (a–b)x²+(b–c)x+(c–a)=0 are realand equal,then prove that b,a,c are in

arithmetic progression​

Answer 1

Answer:

c,a,b are in A.P if 2a = b + c.

Also,if roots of a quadratic polynomial is equal, then its discriminant must be zero.

Step-by-step explanation: