

uetora. . 281 



Properties of conjugate diameters of th* hyperbola 288 



..,ntal chords 



ft representing an hyperbola, ' on* 



. -**> 



( u \ri KB XII 



(KM i ATIOM OF TUB SKtO.XO DttUKKK 



2 Hry -H Hf -f 2 ' =0 



f the second degree in two variable* . . 292 



Illustrative examples . . . L".* 



the specie of a com 297 



Center of a conic section . 298 



the equation of u Iarallel axes 



through ite center 



180. The in variant* X 4- Band //- A Is 301 



To reduce to ita simplest standard form the general equation 

 of a conic 



182. Summary . 80d 



183. The equation of a conic through given poinU . . . .; 7 



i u \rir.i: xiii 



11; on CURVE* 



1R4. ! ... rv'i 



' 



!- 







188. '!'!. 1'Mimiscate of Ilernouilli . ... 



The limacon of Pascal 318 



1 89 A. The rain 1: .319 



190. The Neilian, or seini-^ ul >ir.il parabola 820 



II. 







The hypocycloid 828 



