

Quodfi in aeqnatione 



n n d t [j -\- q) n ti t d t ^ q l' d t 



I . s / q d q ^ d g . 



in locum '^-il-^' fcribatur \t'dt- ~^1^~ 



a .;-)-■ - 2,2.) -t- >) 



et !L?J_A_f difpefcatur in partes -^^-L^l. . jt_!LL^-L , 



orietur 



« ;; d t f — r — —. 



V/(2ry-f-l) 2(2^ + 1); 



•/ , ,A / ^ ^ 9 . ^ <^ <il d t \ , , , ^ 



\2q.^if (^^ + ^^ -(^^+iy 

 fiue 



t [nn -i- 1 1) d(^-\-nnCldt -{-[j' dt — o. 

 At fj in eadem aequatione in iocum -, 'LHAf iubftituatur 



^^-~ -nntdt- "-^'LL ^J -4- ^^JLi-Lli ^nntdt, 

 hdbcbitur: — ^ ,. _. . 



Jcta Acad. Imp. Sc. Tom. V. V. L 



n n U i 



