( 6i44 ) 
AH, AE: ErgoEA^GA, hoc eft, J^G, ^.^-^^^ISl. Et KJ^ 
' . X n y - 
EA, hoc4y^£-^t\'^'^^^ 
bty X 
ay f bx - dd ' " ' ^ 
Ergo 
bty X 
dd -nx \ c y 
X n-y 
KA ad AG 
ay t bx \ nx^> cy 
bty I n^y • 
Vnde invmimr 2anxxy t zbnx^ z ddbnx£ ddnxy_ naddytnbddx 
-^zacxyy zbcxxy t ddbcy t ddcyy"* addyy - bddxy* 
i7f. n -.'^^ 2.bbc i^bbddex— 2bbcyvx . .« 
Et qma n =— pp ^ x LL-^ qma xK = dd t yy 
a > a a a ^ ^ ^ 
v/^ ^.j*^^^^^^ ^3 zbbcddx— zbbcvvx . 
EJt- amem — x = — -—JJUT^^m^ xx = dd - yy 
r:^^^ -2bbcxyy — ddbcxv , , 
±,rgo ~ — —iz- J — 2acxyy f ddcyy = - addyy - bddxy. 
a a 
Et dlvifis om- 
nibus fer y & 
du^lis in a> 
a a 
2bbcxy ^ddbcx-.2aacxy + ddcay s= waaddy bddax 
abddx cbddx t acddy t aaddy = zaacxy t zb b c xy 
abddx cbddx 4- acddy t aaddy = xy , qua ^quatio efi 
zaaet 2bbc 
(ad hyfer&oUm'^ 
Tel quU be = na, abdd ^ anddx + acd dy + aadd y = xy . 
zaactzbbc 
Sh ^ ^} = P ; Erio Pbx-pnx+pcvt pa v _ 
aatbb ' ^ 2c -''Y- 
* V. f y, 7. ^^^^ p^yy^ difficftker invenitur fequem ConftruEih * • 
f mganmr BJ AC, & afplimo feorfim ad mrmque quadrato mdUAD 
fimttndeAP, A^; &jmi}aP9, dhid.tuHpfa iifan^m m R & ter 
:fH»anmRd.cmurRD, RN fefPad reUos angulos fecantes , q^ornn^iu, 
RD jU Mrallela. AD, qm dtvidn btfartm mgHium B AC. Brum jam RD 
KNaJjmptoH oppofitarnm UyperboUmm,qH^rnm altera per eentrum A trj, 
jire debet, quAque fecdHnt Circumferenmm in pm5lk H qmfitis. TrmCi- 
bM«t autem HyperhU per pHnEl^ P,G, 
RMioConftrfdlionlsappatet ^ d,Mk Py & ^ peypendlcHlmhrn in AM 
Fit ,r.im Ay = ^Jve P;&A^:=tS. Item Py = 
aa+bb 
9 
uare A 0—^l^^L2^ & OR— 
2 C 
cilia. 
i. c 
Vnde cmrd- fa. 
fit. 
Haftcmis D.i. Hi 
Hgmm. Qiiibus Dn, Slufins rcfcrip. 
