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Two Tangent Lines to a Parabola
Two tangent lines to the graph of
intersect in a point that is horizontally equidistant from the points of tangency.
Contributed by:
Soledad Mª Sáez Martínez
and
Félix Martínez de la Rosa
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Reference: M. Stenlund, "On the Tangent Lines of a Parabola,"
The College Mathematics Journal
,
32
(3), 2001 pp. 194–196.
RELATED LINKS
Parabola
(
Wolfram
MathWorld
)
Tangent Line
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Two Tangent Lines to a Parabola
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TwoTangentLinesToAParabola/
Contributed by:
Soledad Mª Sáez Martínez
and
Félix Martínez de la Rosa
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