Analytic geometry and principles of algebra (1913)
Ziwet, Alexander, 1853-1928, Hopkins, Louis Allen, joint author, Hedrick, E. R. (Earle Raymond), 1876-1943 · New York, The Macmillan Company · leaf 353
2 Jf- c-is not satisfied by any point with real coordinates. It is some-times said to represent an imafjiaary ellipsoid. a- b- r + - = ^ 340 SOLID AXALYTIC GEOMETRY [XVI. ^ 36G 366. The Paraboloids. The surfaces (I- //■- a- h- wliich arc <alle(l the elliptic paraboloid (Fm. 14.-)) and…
Geometry, Analytic
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