![481. [L
<sup>1</sup>
. 10. d.]
<i>PQ is a chord of a parabola meeting tlie axis in a fixed point H so that AH=8AS, and PâQâ its projection on the tangent at the vertex: shew that the locus of the intersection of PQâ. PâQ is a circle</i>]()
481. [L
<sup>1</sup>
. 10. d.]
<i>PQ is a chord of a parabola meeting tlie axis in a fixed point H so that AH=8AS, and PâQâ its projection on the tangent at the vertex: shew that the locus of the intersection of PQâ. PâQ is a circle</i>Barisien, E. N. · The Mathematical Gazette · 1904