Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 174
ic sectionat six arbitrary points in fig. u3. any order whatever (a six-side of a conic section), the straightlines joining the three pairs of opposite vertices pass througha common point.f By Pascals theorem any number of points on a conic sectionthrough five points may be located by the aid of… … CHAPTER XIIANALYTIC GEOMETRY OP THE COMPLEX VAEIABLE Art. 82.— Graphic Represextation op the ComplexVariable The expression x + iij, where x and y are real variables andi stands for V— 1, is called the complex variable, and is fre-quently represented by z. Vx + if is called the absolute valueof z…
Geometry, Analytic
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