if the roots of the equation (a-b)x^2+ (b-c)x + (c-a) =0 are equal . show that c ,a and b are in AP
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a-b=b-c=c-a are in ap
enosh97:
it is a quadratic eq. we have 2 prov that c, a and b are in ap..plz hlp
nakjab use it as yyhbs
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