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Number:
15407
Author:
Stranger
Issue:
ET Vol 56, Aug 1903
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
L.E. Reay, MQ Vol 82
Solved by:
K.J. Sanjána, MQ Vol 82
Solved by:
R. Tucker, MQ Vol 82