GRO EHE - GRO ERE 
V4, = eo (Y-Y3)(X,Y2-X9Y 4) - c (y D 3 4 -X y) 
Bec 
e G-X 0 73 
2.- = ey 
eo 1732) 067x) eo 
v, = ey D GSV-x - hot, o. i ) 
  
  
22 SAS 5 2 
eS. Gr - ex -X PFS -y 7) 
Using (3-1) one gets: 
(X.-X.) = X,-X +X -X 
i imi 04,0 
(Y;-y;) 
22 £23: : E E Lx 
G XJ) Gy x + ( y Xx. + (x, Ry x Yo J 
y i: y 6 
l = > 
1" 57e 7 534 
ie 
il 
X 
« 
| 
X 
ua 
i 
u 
X 
< 
| 
X 
I» 
(x, -x uS «fox, ROG y 0 ox OG oy Dlx, 
7 
^ us = Le = = = = = 
M e KY, y M 21 dE y 2 [e, y (x X x, y (na X j|» 
4, * Xd IM m X ey y] 
ls (3 - 1 
n ou x,)1,* [G7 G7 a SE vo], 
  
  
v5 = cJYg-Y7)L, irs yet [Yan exp - Quer >. 
Meses Og x5) rg-y 7)] 
+ + 
1% = rip + (lg+loy )(1, ole 0 ) + © ^s 36 i p 
K,x-4K^y VK (x^ + y^ + c^) +K, = 0 (3 - 5) 
1.0 2 0 eo 0 0 4 
- 535:c 
Oo