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If alpha,beta,gamma are the roots of a...

If `alpha,beta,gamma` are the roots of `a x^3+b x^2+c x+d=0a n d|alpha beta gamma beta gamma alpha gamma alpha beta|=0,alpha!=beta!=gamma` then find the equation whose roots are `alpha+beta-gamma,beta+gamma-alpha,a n dgamma+alpha-betadot`

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