
Grade 11Analytical Geometry
The portion of the line xcosA+ysinA=p intercepted by ellipse x²/a² +y²/b²=1 subtends a right angle at the centre of ellipse prove that the line touches a circle concentric with the ellipse.
The portion of the line xcosA+ysinA=p intercepted by ellipse x²/a² +y²/b²=1 subtends a right angle at the centre of ellipse prove that the line touches a circle concentric with the ellipse.





