Question

If the roots of the equation (a - b)X + (b-c)x+ (c-a)=0 are equal,show thatc,a and b are in AP.​​​

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: