Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 324
Fig. 190 SURFACES 307 T* II* ~a Ex. 5. -a + g + 5 = 1- a- 6- c- This. surface (fig. 191) is theellipsoid. Ex. 6. /;- … Fig. 191 This surface (fig. 192) is thebiparled hyperboloid or the hyper-boloid of two sheets. The discussions of the last three surfaces are very similar to that ofthe imparted hyperboloid, and forthat reason they have been left tothe student. Ex. 7. ~ = ax2 — by2, where a > 0,I > 0. Placing…
Geometry, Analytic · Calculus
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