find the polar of a given point with respect to a given conic or a given circle
Polar(l, P, c)
the name of the polar
conic or circle
Let c=O⁡r be a fixed circle, and let P be any ordinary point other than O. Let P' be the inverse of P in circle c. Then the line p through P' and perpendicular to OPP' is called the polar of P for the circle c. Since the package does not work with the extended plane, the routine does not find the polar of center O or of the ideal point.
If the point lies on the conic then the polar of P is the tangent line of the conic at that point.
For a detailed description of the polar of P, use the routine detail
The command with(geometry,Polar) allows the use of the abbreviated form of this command.
name of the objectl2form of the objectline2dequation of the line−1+3⁢x4=0
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