20 



DE CVRVA QVADAM 



17. Eadem aequatio differentialis ei curuae 

 puncto (JL inueniendo inferuit , vbi applkata eft mi- 



d^_ 



nima feu tangens axi parallela. Pofito igitur dx _o r 

 abfcina refpondens x ex hac aequatione quaeri debet :. 



X X X 



i(j-Hc) + ♦ (♦-*•*) + »(s-H5j.+ etC * 



A_T^-+- 



2 ( 2 H-x) 



quae euoluitur in hanc 



a_=+# (1 



— # 2 (i 



•fJC J (l 



— # + (i 



etc.) 

 etc.) 

 etc.) 

 etc.) 



etc 



Srimmis autem harum ferierum proximis fubftitutis 

 erit 



o_=-*-o> 57721 $6-64.9- - r ; 



-4-1,. 2020569032. x 2 — 1 

 -4-1,0369277551^ — 1 

 -4- 1, ooS349 2 774* 6 — * 

 -4-i, 0020083928^ — J 

 -f-i, 000494.1 8 86 A"'°— 1 

 .4-1, 0001 22723 3 1 r' 2 — 1 

 1, 000030 5882 * I4 —i 



etc, 



644934C66S # 



0823232337 x z 



OI734-3C6 2C x s 



0040773562 x 7 

 0009945751 x 9 

 0002460866 A' 11 

 000061 2481 x rz 

 0000152823. X 15 ' 



Sin autem duae primae fracliones retineailtur ,, fe- 

 quens ferie* multo magis conuergens emergit 



