Du DISrANTIIS MAXIMIS E:C, 



489 



u'' \--, ^ ^^ = 



(a'—b') [a'—b') c\a' — b') 



RuibUS pODO 



el obtinebitur 



(«'—&•) 



t'-¥ 



4 



(a''i') {a^—b'f {a'—b'f 



'=0 



(a '_&-') {a'—b-'f {a'—b-'y 



^3 1 ! ZI^ i\ i 1 =z 



(a'—b^y c*{a''—b'y 



3 Ja^bH ai<^b'^]c'(a9—3a'b'—a«-i-2a'b'—b«)^b*(a*—b*)-i _ 



(rt'_i.i)'i 



c''(a' — b')^ 



<3_ — _- ^ LJ —1 —-1 J. il=; 



sed est: 



(a»_6')- 



C'(a' — A')* 



ergo eiit 



a*—b' = {a"-—b*){a''^b^)=:iC-i{a'-~i.b'-) ■ 



f^. 



3a^b«t 



(ai — biy 



{a' — b'f ~ ' 



t3 1 = . 



(a* — biy{a\—biy 

 Ista vero aequalio ita etiam exprimi potest, nempe 

 ( J 2a*b't a^b» W 2a* b* ) _ 



am etiam 



fl«Z>« 



I < ( it- 



«> 



2.r'<&« 



•I /.• 



T. IX. 



= 



62. 



