Number:
16156
Author:
Issue:
ET Vol 60, Feb 1907
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
W.J. Dobbs, MQ Vol 88
Solved by:
M.T. Naraniengar, MQ Vol 88
Solved by:
F.W. Reeves, MQ Vol 88