General Cartesian Contrapedal

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A Normal is drawn from a curve (shown in red). A line from a fixed point intersects the normal perpendicularly at another point. The Contrapedal is the locus of the point of intersection (shown in blue).

Expressions

Name Input
Equation of Contrapedal Derive Input Maple Input MathML Input Mathematica Input Maxima Input Mupad Input TI-Nspire Input text Input Image