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The circle x^2+y^2=4 cuts the line joini...

The circle `x^2+y^2=4 `cuts the line joining the points `A(1, 0)` and `B(3, 4)` in two points `P` and `Q`. Let `BP/PA=alpha` and `BQ/QA=beta`. Then `alpha` and `beta` are roots of the quadratic equation

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