Schmall, Charles Nelson. [from old catalog] · New York, D. Van Nostrand company · leaf 103
Fig. 81. YFig. 80. This is also evident from thefigure given here,p. V (2) When the circle passesthrough the origin and has itscenter on the cc-axis to the right^ of the origin, r = h, k = 0, andthe equation becomes (x — ?)2 4- ?/2 = r^or, :x2 _^ jr2 = 2 r^. * Circle, in this chapter, means…
Geometry, Analytic
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