From the point (15, 12), three normals a...

From the point (15, 12), three normals are drawn to the parabola `y^2=4x` . Then centroid and triangle formed by three co-normals points is (A)`((16)/3,0)` (B) `(4,0)` (C) `((26)/3,0)` (D) `(6,0)`

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