CALCVLl SlNVr M, 197 



Sit nimc iri probleimte VIII. S— 128 fin.Cpcof.Ct)'' idea- 

 qiie 



B=ri4.; C=i4; D-(S; E=rT; 

 et Gipiatur a=:B-C-hD-E— 5 (§. 4.0.) erk 



(3^:14-10 = 4 



Y=ri4- 14-4 — - 4 



«J " <J- 14 + 4 == - 4 

 e rr: i-{- <5 + 4 — -1 

 ef hanc ob rem : 



1 28fin.(I)'cor.C|)''=r54-4cor.2(p-4Cor,40-4Cor.6(55-cof SCj) 

 fit denuo in problemate VII. S=: isSfin.Cp^cof.Cp^ et 



k-S\ B=:4; € = -4; D:ii-4i E=-i 

 reperieturque : 



|3 = 10 - 4 rr <? 



yrz: 4-{-4 - <5 = 2 

 B — - 4-1-4-2 — -2 

 e n: - 4-{-i-f-2; rr - i 

 Erga 



12^8 fin. Cp^cof. C])*- (5fin,2 (I>-f-2 fin,4 (p -2 rin.5Cpi-fin, »(!> 

 Kunc in problemate VIIL fit 5r:i2&fin.<p'coC.C|)5 ast, 



B~^- Cz=2- D=-2; E=:.-i 

 ct capiatur ar^B-CH-D-Ezzs; 

 ^—6-6 — o 



Y~ 2 - (S - G ~ - 4 



^ = - 2 - 2 + 4 zr: o 



s=-i4-4;-o — i: ergo 



B 3 liSfio. 



