Prove that locus of the middle point of chords of the ellipse which subtend a right angle at center

Prove that locus of the middle point of chords of the ellipse which subtend a right angle at center Q 1 (c) Pdf Link : https://drive.google.com/file/d/1ZnHG... Video for 1st Class admission in AMU Link :    • AMU School admission in 1st Class, Exam sc...   Class 10th video Playlist Link : 10th class SCIENCE:    • 10th class SCIENCE   Part 1 Link : Part 2 Link : B.sc Mathematics Videos Link : Subjects 1) Analytical Geometry Playlist Link : Analytical Geometry Bsc Mathematics:    • Playlist   2) Vector Space Playlist Link : Linear Algebra, Vector Space:    • Playlist   3) Dynamical System playlist Link : Dynamical System:    • Playlist   Analytical Geometry Unit-II Asymptotes, Conjugate hyperbola and Rectangular hyperbola, Polar equation of a conics, Polar equation of tangent, normal, polar and asymptotes, Tracing of parabola, Ellipse and hyperbola. Unit-III Review of straight lines and planes, Equation of sphere, Tangent plane, Plane of contact and polar plane, Intersection of two spheres, radical plane, Coaxial spheres, Equation of a cone, Intersection of cone with a plane and a line, Enveloping cone, Right circular cone. Unit-IV Equation of cylinder, Enveloping and right circular cylinders, Equations of central conicoids, Tangent plane, Normal, Plane of contact and polar plane, Enveloping cone and enveloping cylinder, Equations of paraboloids and its simple properties. Books Recommended: 1. Ram Ballabh: Textbook of Coordinate Geometry, Prakashan Kendra. 2. S. L. Loney: The elements of Coordinate Geometry, Michigan Historical Reprint Series. 3. P.K. Jain and Khalil Ahmad: Textbook of Analytical Geometry, New Age International (P) Ltd. Publishers, 1986. 4. R. J. T. Bell: Elementary Treatise on Coordinate Geometry of Three Dimensions, Macmillan India Ltd., 1994. 5. E. H. Askwith: A Course of Pure Geometry, Merchant Books, 2007.