180 MEDITATIONES DE QFANTITATIBVS 



eiiisqiic radix a— V[— ?p'-f'^-/)V(^p*-^)] 

 Q.i.\ve ciim fit area minoris D/;p=rP(^.P/'=PQ.-PRr[:/)-y( . .)W,?->^(- •)] 



«"t .v^--[ i/) '-py(ip'-^)H-:/-^] =:-' p'-t-^-i-;)V(;p'-/y) 



hiiiib ndix A'— T'[-| p'-t-^-hpy(;p'— ^)] 

 adco.iQj liimma nidicum 3=y[-:p'H-^-py(ip'-^)"]-|-y[-Jp*4-^-f-py^Ap"-</) j , 

 qiiae fi , breuitatis gnuia , dicatiir tt , erit fumma radicum contrario (igno 

 aflfcifla — -7r:r-y[-!/-H^-py(:p'-^)]-y[-l/_4-^4-py(ip'-^)]. 

 Hinc aequatio pro Dto maiorc p 

 A-'--'/-f-^-py \f-q) 



- ^■v=[-n-:/''-+^/'V.-:p'-^)]-y[-j/.'-i-^+py(:p'-^)]].y[-:p'-f^-py(:p'-^)] 



-f-^ — -\-q 



hoc cll , .!.•'— —:p'-f-^-p^ (Ip'-^; 



-7r.v=-[-./H-^-py(:/_^)]-y[(-j/H-rf-/.\i/-^)] 



h. e. .r' =:-;p'-]-^-py(;p-^) 



-7r.v-H-f/-^ 4-pv^ip -^j S-> [:p -pV-j-/-:/h-pV]^ 



c feu — q S 



-f ^— -^ q 



adcoquc /-7r.v-f-^— -ip -t-tp —^q-zq-+-pV[\p'—q)-p\\\p^—q,zi.Q 



Atque fic res eodcm rcdit , ac fi , pro arca maiorc p , 

 loco aequationis definientis .v' -7t.v-|-^~o , adliibita fiiiflct 

 aequiHio dcliuicns -.v* -f-pA' — <7~o. lifl cnim 



-\p'-^q-py{\p'-q) 



add. 



q 



~^. :p-:p'-i-^-^H-pv(;p'-^)-pv(;p'-^)-o. 



Similitcr pro Dto minorc p erit 



x*zz 



-x'--lp*^q-pV{\p'-q) p 



-^px-=:-p.^x--^p.-Up-^y{ . . . )]=H-:/-^pV(;p*-^) C 

 — p— rr — <7 3 



