[ 337 1 
mmt dd dextrm Axis fartem^ Negative ut Fh ad fmijham. 
JJi ftjEquatio Biquadratic a fuertt^ auger i velmifmi debet 
Circuit Radim A^y addenda ft fuer it — vel fuhdme^doyfi ftt 
4- r, €x ejm qmdrato rectangulum di Xyfeu-€ontentHm J ub Late- 
re recto & c^tiantitate data r ; id f .o l mild f re negotiox-jficitur 
Geometries Htiju^ vera Circidi [isrilerject-iones ' oum B^^ , 
omj^es ver as Biquadratic^^ jEi^u^^^^ radices dsmijjis ad Ax^ 
em ferfendiculis exhibehunt ; Aj^hmativ^ quidem ad dextram 
Axisy Negativas vero ad fimjlram, Totius demon (tr at ionem 
Q2iXttQ^0 ejus inventor it elif^qiw. 
Notmdum hic^ m:. of eram dare ut femper hdbe am ur Radices 
affirmativA addextrumAxishtuSy utevitehr confufw a flu- 
nhHscautiomhuSy quarumcaufa rninime evidens ejly necejfario 
oritura, 
Hisfr^emif/iSy ut adit us fat eat ad conjiructionem etiam earum 
ii^uationum ubi referitur terminus fecunduSy confiderdnda venit 
regulapro tollendo termino fecmdo, ac redmenda dquatione ad 
aliam\qu^ meihodo fr^cedente confirui poffit. Omnes vero hujus 
claffts ^quationes cubic£ ad banc formamz ^^ . b z z. a p z. a a- 
q = Oyvel ad banc z\ b z z. ^ . a a q = o. Biquadratics vero 
ad banc z^. b z^ a p z z. a a q z. a^ r= o, vel banc 2^. 
b z-.%.aaq z,-^^ r ^Oj^jeLz"^. hz^ , a pzz.^. a^ r=:o 
"vd deniq\ ad banc z"*". b z \ ^ . >|s . a ^ r =: o rednci pojfunt : e 
q[uihus omnibuSy frout fignis -\-& — diverfmode connectuntur^ 
ingens oritur variet as) unde Regutd general is omnibus infervi- 
ens ohfcura ac maxime difficilis redditur^ nifi methodo quamfuh^ 
jungimus illi^flrata nddijqyextricata tractetur. 
Tollitur in Biquadraticis fecundas terminus^ fonendo X — z- 
-f-^ bj fi fuerit -f- b in ^quatione^ vel x~z — ■ ^ b fi fu.erit 
b : bine \ — \ h in frimo cafu^ & -\-%h in alter o squat ur 
z ; & in squat tone quavis profofitayfubflituta loco z quant it ate 
sq'ialij prodibit nova squat to termino fecundo car^ns, cujus ra- 
dices o?nne^ ^ data differentia \ b vel excedmt vel deficiunt a 
radice qusfita z : Cum vero in rebus ijliusmodi plus exempU 
q'lamprscepta valere folenty propon.Uur una vel altera squat io 
Confiruenda. ■ 
U u 2 Exem. 
