506 (10) 



A' ïlEPEBOmHKOBT.. 



Kyja BM-ETO r^^— I 40JiHfBo BCTaBHTb oTiero nojiyqHMT. 



(di)2 idt) 



Ho KaK-B ypaB. (/) 4aeTT> 



2rHvd{Sv] rdHSr)—d'^r. 8r _^ 3iiSr ^ 



(dt} 

 TO 



r^durftôi') 2rd^[8r)-t-d^rdr-i-3drd{8r) 

 ~~(dtf- Jdtf 



-2(iî)-3/((ifl) = 0. 



BcTaBHBT) CK)Aa dM/iJLa(1 — /'^) Bivit.cTO r'dv, h BsaBt HiiTerpaaT., nojiy»iQMT> HaKoeeui. 



2rd(gr -t-aV^r ^ 2/\R)dt ^ 3fdtJ\dR] 



d«y[Aa(i— z'^) y(ia(i— ^) y(jLa(i— 



6. OcTaeTca cocTaBHTb Bbipa^Keele uaMineuiii ninpoTM SX. axoro h3t> ypasHeHie 



[A) BblBOAHMT. 



xdu — ydx rj dR dR \ , „ 



xdz — zdx rl dR dR 



rA'h C, C\ C" cyxb nocTOflHHbia Ko^iniecTBa, co4epHîamiflca bt» BbipaîKeniaxi Be^BHQHi> c, c, c', 

 H onpe^'fejifliomia nepBouaiajbaoe noJOHîeHie qjockoctu B03MymaeMon opÔHTw. Hat nepaaro 

 ypaBBeuifli B3BjeKaeMi> 



dt 1 }_ fl^ dR \ , 



'^^^~c c^j\diy d^^;^^' 



xdy 



BTopoe Hîe H TpeTbe 4aiOTT. 



2{xdy — ydx) 



z 



dt 



C'y - C"x-^yf(^^^ ,^^a;yt-xf(^z-^^ z)dt; 



C'y—C"x y HàR dR \ x n dR dR \ C'y—C"x n dR dR \ , 



= -^-^cJ[Tx'-T.'')^'-C l[d-y^-l^y)^' ^l\Txy-Ty^)^'' 



Ho KaKi» BT. HeB03MymaeM0MT> ajaHnTaiecKOM'b 4B0HteiiiB 



z = ^'y-^"'' , c = cos / y [xa ( 1 — f ); 

 TO BSMtaeHie hjh BOSMymeHie op^HHaTbi z ecTb 



^ y r/dR dR \ j x H dR dR \ . z r/ dR dR \ . 



^'=U(Tx'-d^'')'^'-~cj{^y'-lf.y)''^-cjU 



