RESPON^KfA© (^SeSTIONEM MATliEMATICAM. tj 



-iSj.''::^^*. 



^— s«.i».i4-» ^. .1 —>«» »». 





OT^ 





* + «* "^ "^3- 



etc. 



no-iebrmb38 m\iii. 



Hinc , si, lit supra tota differentia inter duos termlnos datos seriei propositae voceturt/, erit 

 //=«*+ (i + a + 3 + 4 + etc.) ^a + (i+j + g + io+etcO-s 



OT- 



m' 



. 



In qua aequatione series 1+2-f 3+4 + etc , et i + 3 + 6 + 10+610., semper tot ter* 

 jninis constant, quot continentur numero « — i. Hinc ■ -'^ ' 



d 1-1-2+^4 ,, <^^ i+3 + 6 + ro <:?3 



/» 



x^^- 



m 



m". 



ft 4iiffefentiae primae quaesitae erunt sequentess-, > 



'd 1+2+3+4 w '^ idLlifjiil? — 



'^ _ 1 + ^ + 3-4-4 V rf'^ '^ 1 + 3 +6 +10 d^ ^g^"^'- d^ 



m m ^ Z'^" m ' m^ ~^ m^ "^ m^ 



m m X ^2 "■ OT * ot3 "^ ffj* "*" ff»3 



, f. ..... ^... 1 + 2 + 3 + 4 ^ '=''' I + 3 + 6.+ 10 '^^ . S'^^ . 6£ 



hinc pro termino qualicunque ^, addendum erit termino primox 



sive 



