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Number:
15220
Author:
A.M. Nesbitt
Issue:
ET Vol 55, Oct 1902
Tags:
Non-Conic Curves & Locus/Envelopes
Solved by:
A.M. Nesbitt, MQ Vol 79
Solved by:
K.J. Sanjána, MQ Vol 79
Solved by:
R. Tucker, MQ Vol 79