tpS BE CONSTRVCTlOm 



f:z:(ABE-2ACD4-BBE-2BCD-f-BCE-2CCD): 

 (4A AC- ABBH-4ABCH-4 ACC-B ^ -BBC). 



/rr(BDEH-BEE-l-CDD-CEE-(B-f-2C)=F) : 



4AAC-ABB-f-4ABC+4ACC-B'-BBC) 



czz[(2A-hBJb-E'] : (B-f-sC) 

 ^^(BZ^-sC^-E) : (2AZ;-B6-D) 



mutabitur in (Am-Bh-C) tt^{2Aa-+-Ba-B'2C)tu^ 

 {Aaa-Ba-\-C ) tiuz:zo, haec vero, fadlis 

 2f—{2Aa^Ba-B^2C) : (A-hB+C) , 

 ^(A^^-B^^C):(AH-B-i-C), ctk—'f-\'V(ff-h) abit 

 in tzizhi. Sed aequationes a^umt-^xcj—zt-^-mi-b, et 

 xzzt'U-\-c, praebent quoque /zrCj-l-^-v-f-Z^-^O : ^-l-i, 

 et uzzfv -x-^-b-^-c) : a-^- 1 . Adeoque ex aequatione in- 

 nenta tzzku, elicietur (i/O J^-C^-f-^^^^^-i-^^+^^-H 

 (ck-b) , erunt ergo ? zz{a-^ k) : { k — i ) et Qzz 

 {ac-{-bk-{-ck-b): {i-k) ct aequatio finalis ^zr.P.r + Q, 

 quae inuenienda erat. Nam cx catalogo praecedenti li- 

 quet fingulas litteras affumtas ajj, c, e,f /?, et k atque adeo 

 P et Q datas elTe in A, B, C, D , E, et F : itaque per 

 theorema noftrum aequatio propofita Ajj-^-Bxj'-^ 

 Cxx-^-T^y-^-Ex-^-YzzOj conceflis quadraturis, conftrui 

 potefl. 



Sub hac eadem aequationc continetur quoque ifla 

 d^zzax^^dx-^-hx^j^dx circa quam tum Kob. Covi.Riccatus^ 



tum 



