C 709 ) 
1 
— n+i 
atur Abfciffa y = r ( x nq+q!^^+^ 5 Erit huic Abfcif- 
Ik competens Area Geometri cc quadrabiiis. (f.) Quod fo- 
lus terminus irrationalis v'zay-yy in terminos ipfum fequentes 
fit multiplicandus. 
Exemplum r. Sit 2=7, quia in hoc cafu r=ij n^ro, ideo 
=jiy^ eft terminus ultimo abrumpens^ quare q=:a, unde 
AB D=^vy— -av-J- ai/I^^ & proinde fi (per not. 4) ca- 
piatur AWciffa y=:sLi i^ eft, fi ordinata tranfeat per circu- 
li centrum erit portio huic competens Geometrice Quadra- 
biiis, fcil. Area=aa, id eft^ Radii Quadrato. 
Exemp. 2. Sit z= quia in hoc cafu r= p n=r, ideo 
2nraa + raa n-i . 3^ 
-^=jry eft terminus ultimo abrumpens, quare q=~^f 
unde ABD=^— f + & proinde fi (per 
not. 4.^ capiatur y= v^-^^ erit huic abfciflJe competens Area 
Geometrice Quadrabiiis , SciL Area = V : V6? -^-^ x 
32. 4 
Exemplum 5. Sit z= —-^ In hoc cafa r=~, n=2, ideo 
-"^;i7-y eft termmus ultimo abrumpens, ergo q = ^^ 
unde per Seriem Infinjtam erit 
18 a* 
not. 4) Capiatur y =\/ z * erit abfciflfe competens Area 
Geometrice quadrabiiis : fcil. Area= "iz^ttjilli. x ^^a^' 
Mm m m m 
Secundo 
