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Number:
11119
Author:
T. Roach
Issue:
ET Vol 44, Jul 1891
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
W.J. Greenstreet, MQ Vol 56
Solved by:
Prof. Morel, MQ Vol 56
Solved by:
T. Roach, ET Vol 44, Sep 91
Solved by:
J.C. St. Clair, ET Vol 44, Sep 91