quae redncatur ad hanc formam: 



- lbb-^rkk-i-ss)^-d(p{as-\-2bgpp Cin.t-\-2g spp cof.(p). 

 Ponamiis infuper p —\, vt fiat '^ :^ - ^^ et noflra ae- 

 quatio crit: 



{bb-\-kh-^ss)qdq-d(^{asqq-\-2.bgCm.(^-\-2gsco£.(b), 



§. 60. Transferamus nunc terminum asqqd(^ 

 in alteram partcm , et quia a d (p — — d Sf habebimus hanc 

 aequationem fponte intcgrabilcm : 



{bb-\-kk-\-ss)qdq-^sqqdds-igd(^{bC\n.(^-\-S(:o(.(^)^ 

 quippe cuius integrale eft: 



{bb-\-kk-\-ss) qq = 4-gf[bd(^ fin.(^ + sdf^ coC(p) 

 zz- 4.gbcof.(^ -+- ^gfsd(4^ cof.C|), 

 quare cum ft j— /— flCf), ponremum membrum dabit 



4 g / fin. (p - 4 g ^/Cp <3f Cp cof. (p. 



Efl vero 



/Cp^Cpcof Cp— cpfin. Cp + cof Cp, 

 ita vt iam noftra aequatio intcgrata fit 



{bb-\-kk-\-ss) qq - 4g {fCin.(p-a(^ fin.Cp - {a-\-b) coC(p-\- C), 



fiue 



{b b -+kk-\- s s) q q - ^g {s Cin.(P - (a-i-b) cofCp-i- C), 



quam conftantcm C ex ftatu initiali definiri oportcr. 



§. 61. Quoniam igitur pofuimus 



dt^pd(p--f erit q = if, 



quo valore fubflituto impetrabimus fequcntcm dctcrmi- 



iiatio- 



