134 i^£ METHODO DIOFHANTFJE AKAtOGA 



dd? 



Seu pofito dp conllnnte ob dM — -~T~ {^-^PPy-^ ^ pdV 



y{i -{-pp) erit: 



dd? ^ I 3p^P , 



r/rfP. ,, ^p(\-\-pp)dV 



iir. 



Sit /,-^- = N, erit X r= i^f-^^', ideoquc 



jxdp =z j%^ y[.^v-pp)^1 yi^-^PP) -f- (/ppv'i>i) 



Ponatur / ^py^ f j.-^^) — P fr.ndioni ipfius p , eritquc 

 N in {tlASJ-^-r*zl&\ ^ ex quo valore erit porro: 



^- ^^if ^"^ jrpa-^V(i+pp)-Pet^r^^V(i+;,/,)-N 

 Pofito autem ^p conllante ob dH - ^-^y' ^ {^-^PP) 



__ PJ^JXSlI^^I^ dV{ 2 -h5pp) 

 ^' — df~ "^" ^p 



__ ppdd? (i-{-pp) pd?[i-\-2p p) ^ 



__ pdd?{i-^ppY ^dVji-^-pp ^ 

 ^ — dp' "^ dp ^ 



IV. 



