Intersection of perpendicular normals on one parabola makes another. Another A level further maths conic sections locus problem.
Intersection of perpendicular normals on one parabola makes another. Another A level further maths conic sections locus problem.
A level further mathematics question animated. Mid point of Normal x-intercept and Tangent y-intercept traces out another curve as original point moves round an ellipse.
Properties of conic section have been known since classical times. This isosceles triangle in a parabola could still appear in school exams (FP1, STEP) in UK.