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If alpha and beta are roots of a(x^2-1)+...

If `alpha` and `beta` are roots of `a(x^2-1)+2bx=0` and the quadratic equation whose roots are `2alpha-1/beta` and `2beta-1/alpha` is `px^2 +qx + r= 0` then `p + q + r` is proportional to`:`

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