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If the equations 2 ax^2 - 3 bx + 4c = 0 ...

If the equations `2 ax^2 - 3 bx + 4c = 0` and `3 x^2 - 4x + 5 = 0` have a common root, then `(5a+b)/(b+6c)` is equal to (where `a, b, c in RR-{0}`)

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