CORPORVM RIGIDORVM. z6$ 



et quum fic 



cof.BAa' cof. ha\'~- dn.BAa Cm.baPi^—coC.BAai- cof.A^jA'— r, 

 obtiiiebimus 



coC C c" - coC Bh" .— fin. A a (cof. B A «' + cof. baX'-i ), 

 hincquc] 



cof. Cc'-- cof. BZ^H fin. A^'- fin. A«'c cof. B A«'+cof /;a A') 



=:=cof.A^*-4-coCB<?* 

 Erat vero 



cof. A b. cof. Ba — cof. A a. cof. B ^ — cof. C c , 

 proinde 

 (cofA^-hcof.Bfl)'=cofA^'+cofBa'+2cofA/;.cofB.=cofCc-' 



-corB^'+fin.Aa"+2cof AflCof.B/i-icof Ct"i-2cof.C(r 



-fcoI.Cf-cofBi^^-cof Afl'+2CorA(2.coI.B/;j:(.i-cofCf/ 



-(cofBA-cofAfl)\ 



Si iam vti §. 12. pon.imiis 



I— cofCc'— 2y , I— cofB/'— 2^ ct I— cof.Ad;— 2«, 

 confcqucmur • 



(cof. A ^ -h cof. B fl)' — 4 y' - 4 (a - (3)', 

 ideoque cxtrahendo radicem 

 coCAb-HoCBa-zV[y'-(a-^y)-iyiY-a-^^,{yiA-^). 



Deinde habebitur 



(cof.A^— cnf.Bt^)'— i+2cofCf+cof.Cf'— cofB^'-cof.Art' 

 -2Cof.Artcof.B6.=:(i+cof.C6f-(cofAfl+cof.B^)\ 



Quum igitur nunc fit 



i+cofCtf-— 2(it-y) et cof Atf+cofB^=:2(i-a-(3), 

 fict 



(cof. A^— cof Ba)' — 4( i— y)* — 4( i— « — P)*, 

 hincque 



cofA/^-cof.B^r2V((i-y)'-(r-a-j3y)=ayCa+(3-YX2-a-(3-y), 



Tom. XX.Nou.Comm. L 1 Nunc 



