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" But this amounts to saying that if we join any three of the five points by a plane, and the other two by a line, the line and plane are conjugates. This statement makes no mention of the particular point taken for centre; and we conclude as before, that... "
Mathematical Questions and Solutions - Page 36
1865
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Mathematical Questions and Solutions, from the "Educational Times.", Volume 3

1865 - 128 pages
...conjugates. This statement makes no mention of the particular point taken for centre ; and we conclude aa before, that if five conicoids are drawn, by taking...conicoid. The problem is therefore equivalent to that of deicribing a conic, being given the poles of certain lines. Three points and their polars are sufficient...
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Mathematical Questions with Their Solutions, from the "Educational Times"...

W. J. C. Miller, D. Biddle - Mathematics - 1901 - 128 pages
...mention of the particular point taken for centre; and we conclude as before, that if five conicoids :ire drawn, by taking each of five points in succession...polars are sufficient to determine a conic ; for let A, В, C be the points, and let AB meet the polars of A and B in P, Q respectively. Then the foci of the...
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Mathematical Papers

William Kingdon Clifford - Mathematics - 2007 - 768 pages
...so on. This gives us six more pairs of conjugates. But this amounts to saying that if we join tiny three of the five points by a plane, and the other...the section which the plane at infinity makes of the eonicoid. The problem is therefore equivalent to that of describing a conic, being given the poles...
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