Number:
16742
Author:
Issue:
ET Vol 62, Oct 1909
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
W.F. Beard, MQ Vol 93
Solved by:
A.H.S. Gillson, MQ Vol 93
Solved by:
R. Tata, MQ Vol 93