Number:
17738
Author:
Issue:
ET Vol 67, May 1914
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
W.F. Beard, MQ Vol 102
Solved by:
C.H. Hardingham, MQ Vol 102
Solved by:
H.W.L. Hime, MQ Vol 102