448 
ON THE TRIPLE TANGENT PLANES OF 
(f) 
(g) 
(E) 
(x) 
(y) 
( z ) 
(x) 
(v) 
( z ) 
(1) 
(m) 
(n) 
Ö) 
(m) 
(5) 
(U 
(m,) 
( n ,) 
V 
j + my + nz + w = 0, 
lx + — + + w = 0, 
m 
lx + my + ^ + w = 0, 
I (p ~ a) + 2mn _ 
c +— TÖ w = 0, 
p + ß 
m (p — a) + 2nl _ 
p+g »“O 
n(p-«) + 2lm 
P+ß 
1 . , 2 
y {p - a) H 
i 7 mn A 
c + h vj = 0, 
P~ß 
1 / ,2 
m (í, - a)+ ™l n 
' + p-g M, = ° 
1 / X 2 
n 
? + a W = 0, 
P~ß 
2n 1 
7 r«M—y + W2 + W = 0, 
m(p — a.) 
21 1 
Ix 7 y + - z + w = 0, 
n (p — a) n 
1 2m , A 
7* + “2/-r(^iT)" + w ' = 0 - 
2tt?/ 1 
7 r X + my + - z + w = 0, 
n(p — a) J n 
1 21 A 
X — yy . y + nz + w = 0, 
l i (p - a) a 
7 1 2/ A 
H y 7 r z + w = 0, 
m u m( p — a) 
n (p — a) y , , A 
X -f- — + + w = O, 
2m m 
k - —— y + -■ z + w = O, 
2n n 
1 m(p — a) ' A 
^x + my 2 + w = O, 
24' 
14.23.56 
43' 
12.35.46 
52' 
15' 
12.36.45 
62' 
16' 
56' 
45' 
4'6 
15.26.34 
16.24.35 
14.25.36 
65' 
46' 
4'5