/ 



:>> 



2 COro (p 2, 





2 COf. I $ ■ X, 





2 COf. 2 Cj) XX 



2, 



2 cof. 3 C) , x^ 



— 3 X, 



2 cof. 4 C) • ; x"^ 



— 4 X X -f- 2 , 



^ cof. 5 Cj) x^ 



— 5 x^ — 5 X, 



2 COf. 6 $) X^ 



— 6 x^ -h 9 XX — 2, 



2 cof. 7 C|) x"^ 



— 7 x^ -4-i4X^ — 7 X, 



2 cof. 8 Cp x^ 



— 8 x^ -f- 2o x^* — i6xxH-2, 



2 cof. 9 $ : x^ 



— 9 x^ -+-27x^ — 30 x^ H-pa 



etc. 



etc. 



J. 2. In his formulis manifeftum eft primos termi- 

 nos effe poteftates iplius x eiusdem exponentis, cuius mQl- 

 tiplum proponitur; hinc vero exponentes coiitinuo binario 

 decrefcere; tum vero figna terminorum alternari ; praete- 

 rea vero coefficiens fecundi termini femper aequalis eft ipli. 

 multiplo; quod autem ad fequentes coefficientes attinet,, 

 lex, qua progrediuntur, ita fe habet, vti fequens forma 

 oftendit : 



zcoi.n(P — x—nx^-+---^ -^ — —^ -^ ~ 



I. 2 I. 2. 3. 



-f-n(n— 5)02— ^X/z— ^jx^^—^^nfa-^^^/i-^j^^-SJ^^-pjx^^^^ . 

 I. 2. 3. 4. I. 2. 3. 4. 5. 



cuius formulae fummus eft vfus in cofinibus angulorum 

 miiltiplorum quantumuis magnorum expedite affignandis. 

 Velnti (i proponatur duodecuplum anguli Cj), hinc ftatim 

 obtinetur feqaens expreffio! . 



2 cof. 



