FT SOLVTJO TROBLEMJTIS, 139 



aequatione translata fiet : H :/— Conft. <juo valore ia* 

 trodufto habebimus: 



iiue Arc : pq — Axc: Af~HP- 



Coroll. I. 



21. Quia vero eidem abfcilTae AQ:r:^, bina iti 

 «llipfi piinda q refpondent , ad hoc pundluin peifede 

 tJeterminandum , etiam applicatae Qjj magnitudo defi- 

 oiri debet : Eft vero 



(lq-a-"^V(bb'qq)-(b-y{l,l,-qq))V{i-n), et 

 V(b b—aa) — ^^v^^ ^— //K^^s— pj'i-*-^'/^v(fe^'— n//X6fc- i>pf) 



Tum etiam notari meretur 



Vf AA_ „ /7 ^\ — b'y/{bb — nff)[bb—^pp)—nlf^{hi-ff ){bl^pp^ 

 V \uu II qq) — ^ i* — njfpp 



fi igitur valor ipfius V[bb—qq) fit negatiuus, pundum 

 iq in fuperiori ellipfis quadrante capi dcbet. 



Coroll. 2. 



22. Hic igitur primo relatio notari debet , qnae 

 inter tria puuda f p tt q intercedit, quae ita cfl coni- 

 parata, vt ex binis datis tertium inueniri pofiTit : 



I. Si / et /> fint data , erit 



hhpy/{bb^ff ){bb~- nff)^bbf^{bb — pp){bb^npp) 



H — 6* njjpp 



^/ 7 » ^ ^x b^^lib b ^ff) {hb-p p) — bfpyf{^h-nff){ b l ^^nppl 



V/ A A «, ^ ^^ b'^fibb.nff){bb-npp ) -.nbfpV(bb—ff){bb^pp) 



v\po-nqq)^. ^ — njjf§ 



S 2 II. Sl 



