1.

If alpha and beta are the roots of ax^2+bx+c=0 and alpha+beta,alpha^2+beta^2,alpha^3+beta^3 are in GP (Geometic Progression) and Dwlta-b^2-4acthen

Answer»

`Deltane0`
`bDelta=0`
`cDelta=0`
`Delta=0`

ANSWER :C


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