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The tangent and the normal at the point ...

The tangent and the normal at the point `A-= (4, 4)` to the parabola `y^2 = 4x`, intersect the x-axis at the point `B and C` respectively. The equation to the circumcircle of `DeltaABC` is (A) `x^2 + y^2 - 4x - 6y=0` (B) `x^2 + y^2 - 4x + 6y = 0` (C) `x^2 + y^2 + 4x - 6y = 0` (D) none of these

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