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The common tangent of Parabola y^2=4x...

The common tangent of Parabola `y^2=4x` and Hyperbola `(x^2)/4-(y^2)/3=1` touches them at P and Q respectively, then Q can be (4, 3) (2) (3, 4) `(-4,-3)` (4) `(4,-3)`

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