(ic6y 



inter qiius reperiiintur trcs clrciil.ircs, quns fingulari modo de- 

 fi^ncmus .^ fcilicct : 



1°. (^,5) = 



-°- (=,+) 





TT 



6 fin. 



= r=3A; 



TT 



TT 



6 fin. tl 



TT. 



= — L_ = B et 

 3 V 3 



_ ir — p . 



6fin.3-? 



6 



ita vt fit A = 2 C. Practerca vcro ambas formulas, quac in 

 ordinc praccedcntc crant circularcs , nunc vcro lunt trahsccn- 

 dcntcs, fiatuamus (i^ ^) — P ct ( 2, 3 ) =z: Q. }lis facfiis dc- 

 nominatiouibus euoluamus decem acquaLiones claffis quartac , 

 quac iunt: 



i\ B—V(s,2); 



z\ C = (3, OU, 3); 

 3^ C=:2Q(5, 3);' 



4°. Brir(2,.a>(3,'4); 



5^ 13 = 2(2, 2) (+, 4.)i 



C. B = 3Q(5,4)i , 



7°. A = (i,i) (5,2); 



S . A = a (i,'2)(3V5); 



5,°. A = 3t«,3)(4/5); 



10«. A = 4?(5;5); j,^ 



quas ita fuccin^ftius rcfcrrc licct: 



( • • • 



A--(i,.i)<5,2,)=:a.(«if^;A3,5>;?3(^,3)(-h5)r4P(5,5)i 



Br4'(5,»)r(2,i).(3,4f>:7a(a,2).(+,'h).= 3Q(4r5Ji 



Cr(3, iK5,^2)=aQ(5,3J. . . , 



F.ccc 



