t*lWT 
x sb (p 4 2 ra =5 4— I =) 3, afque etiamx =* (p ra 
4 Y ; — 3 n = 4 4 ■—-4 ( ^ J 7 vel a. 
5. In Jkjuatione x* = — ~ 15 x* — 84 x + 100, erit 
p = — 5 , q = — 3> r = 135 5 8c Binomii 135 + 
y 18252 Radix Cubica eft 3 4 -Y 12. Igitur Radix 
X = -5 + 6 = 1, & X - 5 — 3 4 y — 36 = 
— 8 + + « — 36 , impoffibiles. 
4. In iEquationex 5 = 34 x* — 310 x + 1012, erit 
P = 
4 V 
,h° 
27 
226 
T 
r = 
553^ 
8c Binomii 
553<S 
27 
Radix Cubica eft — 4 y — . 
3 3 
34 3 2 -- e . _ 34 16 
4 7 
27 
Igitur Radix 
• — ■ 10 = 5 
4 — - = 22, 8c x = 
3 3 3 3 — 
4 V - — 10, impoffibiles. 
5. In ^quatione x J = 28 x l 4 61 x — 4048, erit 
28 067 25010 „ ... 25010 
p = — , q =- , r = — 1 8c Bmomu —— 
3 9 27 2 7 
4- V — - 382347 Radix Cubica eft ~ -+• Y — - . 
o ^|* 
T 28 . 41 „ 28 41 , , .729 % 
Igitur x= — 1- — =23, 8c x = ■— 4 ( y } 
£7 
2 
3 
1 6 vel 
11. 
6. In iEqnatione x 
i _ 
4 
p = 
q = 499 
X 
96 53 
- 66o, erit 
8c Binomii 
+ R adix Cubica efc-H+V-l. 
27 27 3 3 
Igitur x 
44 
= — 15 > & 
22 
4 — 4 y 5 = 7 + y 5, irrationales. 
3 “ 
7. In 
