CORPORVM RIGIDORVM. 233 



Ex hac autem aequatione binae reliquae fbrmaUuQ' 

 tur , (i littcre 



A,B, C,p, (/■> r promnuentur primo in 



B, C, A,«7, r, p , Iccundo in 



C, A, B,r p,<f. 



Formj auteni illa etiam fequenti moJo commodius 



exhiberi potert 



^ift—-{-^ipim.(p(i -cof (pX^ pp- Bq q -Cr t) 

 +(fpCi['i (^:o{ (p( \-B-C}-A£/piw.(p+rt/q{i-<:ol(pf{A/p 

 + B^^-fCrr)+;-^7cof.Cp( i-cof.(|)) ( A- B+C) 

 -^ A r d q (1 - c( i'.(p]-}-2Bpq(/qC\n.(p[ i — cof.Cj)) 

 ^ q (i r{ i — cof. Cj))"(A/>/)-t-B ^y-f-Crr) 

 — ^^rcof.Cpd-cof.Cl^HA + B-Bj-A^rt^rCi-cc f.Cp) 

 -\--iCprfir fi 11. (p; I - coi; (P]^p(/(di ( r - cof (p (A/)/4 B7? 

 -i-Crr}-9r^(I)>in.(|),J3-C)-/Y-sP A+Bi C)h Apa(p^o[.(p. 



§ 43- Quia auteni in h\% aequntionibus iam 



per fe valde prolixis variabiles />, ^, r et (J) nimis 



inter fc fimt p. rmixtne , qiuim vt redilntio gcnera- 



lis (ulcipi qncat , euolu.inui5 antc omnia cafnm, qiio 



corpus circa uxem fixum gyruri pctilli t]ui cum 



Comienire icbcat cum axc fiif.ra confidLrato IO,an- 



g uli a, b, y idco-iue ctiain liiierae />, q^ r pro con- 



llantibus luiit bftb.iuiae , vruic dcletis mcinbris, vjUMC 



d fFcrentiaha (ip,t/t],dr imp*ic,iiTt , tcrnie acqn^uio- 



ncs ad hunc c*{iifT) cruiit 



91^//— /)r/C4)(i -C(>f,(lJ> {A/j/i + .B./f^Or^-^f^a^^^Ji^iB^O) 



-p(/(k>i A 4 K-l-C )+.A/ i/(^:.. ,i^ 

 ^di—qd(P: I — cof. (p ( pp-^Wff^-Cri ;— /Ar/($) C^M) 



— qu H> A -t B --f C + By «• ^nK. (p 

 Tom. XX. No! C^mtuii. Gg ^^/ 



