riBRiiTORia 225 

 CorolL r. 



16. Si ponamus breuitatis gratia : 



n(V+"t)— ^i 7B(&-t~"c)=Q; rB^ri+^c + iTc^-R 



vt fit zz — 2(P-hQjs -f-R = o*, et geminus ipfius 2 

 valor : 



s = PH-Q_±V((P-4-Q)*-R), 



erk 33-2{A^(2P-^) feu 2l = $BB£(2Q-s). 



Coroll. 2. 



17. Verum cum fit 4PQ=Xb(;T6 *n+£+n) 

 — RH~a"bT6, ideoque R:=:4PQ-abT* > habebitur : 



•e^q±V((P 7 ^}'-4- n fo) l 



ex qua forma patet, ambos valores ipfius s femper efle 

 reales , ex priori autem effe pofitiuos ; vnde vterquc 

 vaior ipfius nzzV iKkz erit realis. 



Coroll. 5. 



18. Ponamus porro ad abbreuiandum V((P-Q/ 

 -f-^)=zS,ac diftinguendo geminos valores , obtine- 

 bimus : 



z =:P-+-Q-t-S; *' =P + Q_-S 



n =zV2K/d(P + QH-S); n' =:V*Kifc(P-t-Q-S) 

 33^2iA^(P-Q-S) , SB' = »'A*(P-Q-t-S) 

 ac motus fili his duabus aequationibus continebitur : 



p = 2lcof.»w-H 21'cofi »' w 



# = 93cof.«w -+- JJVcof. «' w. 



Tom. IX. Nou. Comm. F f Coroll. 4. 



