0 npaGllAbHblX5 MHOZOyZOJ,bHUKaXS. ^29 



Ho, Kor^a m neMëTHoe mic.io, to 



m + M, -f i»i3 + . . + M,-f lz^ <^ + ^>"^7^^-^^"' ^ 2"'-^ 



crMoBaTe^LHO, npe,T,i,i4yinee ypaBnenie oôpariiTcn 



^y^^a(/_a) (m/v-H- + (- 1)^^1=0. 



ITo^ i^KiiMt a:— ^ , paayMJ.a no^T. — npaBH^biiyio HCcoKpaTHMyio 4|^>o6i. : no- 



CMii/i,nce yjîaBneiiie npiiMCTij bh4T> 



- (- 1)^ [mk + M,) ^^-^) + (- 1)^ m 7^'' - 

 ^Toôbi 3T0 ypaBHeilie y^oB^eTBopn^iocb ri'ii^biMH 3Ha»ieHiflMH jo h 7, ^iic.io 

 2"'"* ,i;oj>Kiio 4T.^iiTbcfl Hà-u'Ë.io na a m na p^. CitAOBaTe^bHo 



npii qeMT> 2ix^m — 1. 



m—p^ N, r^ti iV mi^ioe qiic^io. 

 Orcio^asaKjiouaeMï), qionpn m HeMeTiioMt, Be^HUHHax onpe4,'Ë^''îeTC.T<i»opMy.ioK> 



Bi> KOTopoM p H3o6paîKaeTT» He^iëTiioe qnc^o. 



H TaicT,, Hst «>opMyjn. (6) h (7) cjitAyei'L : 1** mto ccjh cymecTByeri. 

 npaBii.ibHbiH MHOroyrojbHHKi>, cocToamifi hst. qëTHaro Miic^a CToponi, n 

 HMiiiomifi nepiiMeTpT. coiiaMJ&pHMbiâ cb pa4,iycoMT> onHcannaro okojio nero 

 Kpyra, to cTopona aioro MHoroyroJbHHKa ^o^JKna nenpeMiiiiHo BbipaîKarbca 



4po6bio 2x — Kor^a npHMeMX pa^lyct npyra 3a e^HHimy. 2° Ecjh 



MHoroyro^bHiiKT. cocTOiiT'b HST. iieiiëTHaro hucah cToponii, to Ka/K4aa cto- 

 poHa ero ^o^i^tna naoôpaHcaTbca npaBiMbHOK) 4po6bH) BH/T;a 2x ~ ^ , pa- 

 ayMta no4;t p qnc^o He'iëTiioe. 



PascMOTpiiMT. Tenepb Kanî^bm hsI) 3thxt. /iiByx'b cjyiaeBb oTAB^bHo. 

 a) Kor/i;a m~2k, to o; ~ ■. BMJiCTO EnHcannaro Bb Kpyrb m-yroAh- 

 HHKa^ npHMeM-b et. cooôpaMceaie onHcaHHbiô MHoroyrojbHHKT>, mn,K>w,\vi 04H- 

 HaKOBoe qHc^o CTopoHii. HaoôpasiiMT. qpeai. z no^oBHHy CTopoiibi 3Toro onH- 



