504 (8) 



Jl. IIepeboiuhkobx. 



TaKHie Han^eMT) 



cd^x—c 'd^z 

 ' di 

 c'd^x-t-c d'^y 

 dt 



IdR 



\ dx 



dR r dR » 

 dx dy 



) dt = 



cd^y-Hc' d^z d(cdy-i-c'dz) dcdy-i-dc' dz 



di lit dt ' 



cd^x—c'd'^z d[cdx—c'dz) dcdx — dc'dz 



dt dt di ' 



c'd^x-i-c d^y d[c' dx-t-c"dy] de' dx-h-dc 'dy 



dt 



dt 



dt 



H eC.UI n0.10}KHMT> 



dR 



dy 



dR A 



dt 



dcdy-t-dc dz 

 dt 





dR 

 dx 



dR 



dz j 



)dt 



dcdx — dc'dz 

 dt 



df\ 



dR ' 

 dx 



dR r/^ 

 dy , 



\dt 



de' dx-t-dc"dy 

 dt 





To, no HUTerpiipoBaHiH, oo^ysHMi, 



X cdy-t-c'dz 



y 



dt 



cdx-t-c"d 



t^7=— dt 



c'dx-i-c"dy 



^ r dt 



■f" 



H3T) aTHXT> ypaBueHiH ne Tpy4H0 BWEecTu ypaBBenie 



jjir =: c -f- c H- c fx — / y — f z 



BTopoH CTeneHH OTHOCBTeabHO Koop4nHaTT> X, y, z; cji'hji. opÔHTw ii^aHCTij cyib KOHHHecKia 

 cfeMenia, KOTopbix-L a.ieMeeTW aasHCATt ori. KOJiHHecTBt f, f\ f", xaKVKe ue HaM'bHaiomHXCfl 

 npu nepBbixt 4H**epeii[i,iajax'B, KaKT. h Ko.iHiecTBa c, c, c". Jl'hûcTBmeAbBo, kotab c, c, c" 



H f, f', f" npHMCMIj nOCTOaHHblMH, TOr^a BbliMCT'B 



jtdr = fdx — f'dy — f'dz , 



Q TOHîe caMoe uoAynuji'h h3t» ypas. {A"), noMHOJKHBi» hx-b cooTB'feTCTBeuHo Ha dx, dy, dz, u 

 cjovKHBt npoH3Be4eHia. 



H TaKT>, npu e3auMH0.m drbûcmeiu riMnerm, scn aMMenmhi uxn opôurm nepeMrbHHwmcH no 

 ucmeHemu naoKda/o MZHOeemn, es npodoj.0KeH{e Komopmo MootceMn cnumamb uxt nocmoHHHbiMu. 



4. iluTerpa^iT. ypaB. (4) ecxb 



m^MdyfMdz)- - T ^ ^/(^^) = Q - 



