S) 



; l^ II — X') Di 18 1/ 3 ( 



Euler, Mem. Pctersb. T. G. p. 30 



j°^ I FAIiLE Ibo suite. Lim.Oetl, 



Logar. en num. / x. 



f x^ n [ 'i\ \ 



■i)flx -dx == [12— ~\ \ 



5 ) / Ix dx = 12] I 



'J ^/(l_a;M 3 Vg / [ Euler, Cnlc. Int. 4. S. 3. 147, sqq. — Id., Act 



\ Petr. 1777. II. 3. — Kauslcr, Mcin. Pdtersb 

 J l^{l — x-') IG \ 12J\ 



7)nx — dx = ~ — i 



7 1/(1— :2;^) 15 \60 



/ Ix = — — I 3 



J }y{l — x-') 5i 18 1/3 ( 



9) / Ix dx = — — I 3 



7 1^(1— a:») 54 18V/3 / 



/^^^ T /,„ ^ \ 



^(1 — x^] 3l/3 \ ^31/3/ 



/, a; , T / ^ \ 



/, « , 1 ,^ ( les 10 ct 11 sont fautives) 



fix -dx = nl2 \ 



J 1/(1 — a-') 8 1 



f x^ I I 



■,.. f, 1 dx n 1 + p 



'■^)l''^n r; ~A i 7, ::; = TT. rl — -^ ,P- < l; v. T.-346. N'. 4. 



^c^/"; 1+7—2? ^' dx 1 l+o 



16 /^^—-—- , = -.^l—LJ. V. T. 346. N\ 5. 



/ (1+^)'— 4.f/a-^- 1/(1— x-^) I, 4 



,„ r ] —q + 2qx'' dx 1 l—n 



r 1 .«— • + iK— > 



18) H :; dx = 271* Poisson, Mom. Iiijt. 1811. 1G3. N'. 54. 



J X 1 — X 



f 1 a;"-' 00 (6_cW* 1 



^'7 ;^^a3^¥=^'^" = ^o~b=^(^Ti^^ ^'^"'^"' ^'^" '"' ''°'- '"°- ''°- '■'• 



Pn£;e 228. 



10) 



11) 



12) 



3l/3j\^ Euler, Calc. Int. 4. S. 3. 157. sqq. — 

 Id., Act. Fctr. 1777. II. 3. (ou les I'ormu- 



