J 



INTEGRATIO FORMVLAE 



Ss 



3 



(3 — zz) 1/(1 +zi) 

 ALIARVMQ.VE NON NVLLARVM. 



AuQore 

 STEPH. RVMOVSKL 



Conuentui exhib. die .33 Ian. 11 95. 



\/ t iignum radicale cubicum ex formula elidatur, pona- 



3 3 



tur y (1 -+- % z) — x y 4 et prodibit 



(3— %«)^(H-zz)""( I — *V(4S 3 — 1)" 

 Poft inftituta non nulla tentamina obfervavi formulae mo- 

 do inventae integrationem perfici poffe ponendo 



3 

 x — y (1 — 3/+3/J), 



ut fcilicet quantitas iigno radicali affe&a evadat quadra* 

 tum; prodit enim 



x 3 — 1 — sy-\-syy, 



4x 3 — 1 = 3 — i*j -4-12/y = 3 (* — 2 r) 2 > 



Hinc 



