meN.orlIw^ =0.-=.n^^ w = 0. [§5 PI

13. n w^ £ q . == . 9 £ N fN . 0^ . lim II'*'^^'^ u = \, [ » ]

§ 5. 2-10. Cauchy. Analyse algébrique^ pag. 561, 562, 563.

7 — Formui,

;.": »^^ r^"''^î?«'^^!Çi!piwpff^ai|q

14. 9 , w £ (1 H- Q) f N : w £ N . Oi» . 9w / 9»+i > «*n-f-i : o . Il w^ e Q . .

15. > . lim 9« = 1 . > > (9n / 9/»-f-i)î'' ~^ < î^*»-j-i :o. > = oo .

16. vg (Q f N) decr . H r^ £ Q : n £ N . o„ ..tt,, = f — ^ lo.Uv^^U^

ur'' iig w/ n* i^r' ... = n W^ .

17. w £ (Qf N) decr . max lim (1 h- w^ )** > 1 . o . Il (1 -^ w)^ = oo .

18. a £ Q f N . n(H- 1^)^ £ Q . Y , (IH- î4)« £ (Q f N) decr . lim X^ = oo .

max lim «^ (Xn — Xn-i) £ Q . o . lim (1-hw J^na^^i. [§4 P9 . §5 P2]

§6. q'fN.