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Let a, b are roots of equation x^2 - 3x ...

Let `a, b` are roots of equation `x^2 - 3x + p = 0` and `c, d` are roots of equation `x^2 - 12x + q = 0.` If `a, b, c, d` (taken in that order) are in geometric progression then `(q+p)/(q-p)` is equal to (A) `5/7` (B) `15/17` (C) `17/15` (D) `7/5`

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