192 DE AEQ^VATION I BFS 

 Soliitio I. 



Sumatnr priino mnltiplicator primi ordinis P, ct 

 integranda erit haec aequatio: 



ac integralib pars prima erit .r=P^j , ct integranda 

 reftat haec expreflio : 



vnde necefle eft,fit (jljrzo, ideoque P funaio ipfius 

 .X tantum. 5it er^o P^K, et integrari oportet obi/ar 

 conftans : 



^xiriiX^x-dyiii)) 

 ^uius Jntegrale nequit efle , mCi -jdxf^^^z-^M. 

 ■Oportet autem fit y^K XJx^ 4-j ^</K = o , 

 quod fieri nequit , nifi fub h\s iconditionibus : 



n — x €t Zzr-Ki:^- 

 iic tum aequatio integralis eiit: 

 lUj-j4K — C.dx. 



Solutio IL 



Sumto multiplicatore fecundae formae Vdx-}-2Qjif^ 

 integrabilis efficienda eft haec aequatio : 



^Q,dMdj-i-?dxddj'^rXdxK?dx-h2(idj)—Q 

 vnde integraiis pars prima colligitur fdx/ij-i-Qdj*, 

 Supereft ergo , vt integretur : 

 r^X^x^-i-zyQXdx^dy 



-^x^dj{ji)^dxdr0 



-dxdr{^)-4rf^). 



Hinc 



