An equilateral triangle and a parabola that is tangent to two of its sides in two vertices. Proof that the triangle centre coincides with the parabola focus.
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Solution
Poem
The pyramid of Austerlitz
Sand and earth construction
For military purposes
Symbolic pyramid
Or cubic stone
Pyramid made of fear and mystery
This geometrical figure
Can represent social ascension
Always higher
In the land of a thousand dreams
For a place in the bright sun
