Lovene foir Lysets Forplantelse. Iö3 



ogsaa for de Led, hvori ikke t = o, af Ij uafliænjjig Slör- 



rclse = l"(r J + /(^^^«'-^'dr) ; 



To 



" K/(&".t«d.,(^Odr)}=- 



^ g2t(»-o) 



[(2t-j-.l)(2t-|-3)(2t-|-5)j 

 r. 



o 



ly 



(t+1) 



(2t-|-3)(2t-|-5) ) * 



Man erholder folge] îgp og^saa : 



@_g(„4+,j,2)+_:r^(^+i)=®+<p-2)fïfe»_e(p-2)u*5- 



, 2t— 2 /ir'x 



r' 

 * o 



K 



4i/(r^\tC-)<J.(Ü^)dr)]| 



r' 



+ 4.®(k^-„.)pc2 J2.d'^Jd:y(Vi(r)?i^'dr) + 



''o 



4^yé%twc~)dr)]}- 



u 



o 



/ 21-2 y»r'o5 . . 



_4u5D(k*-«^)cS J2((2(+l)d r L^d„y (r*2i(r)^'dr) 



r' 







■,74^/(ä2tmC-^)dr)]}, 



r» 



(f.— 5!f,(i'^+^v2)+(v^+ii;2)(^,+g=(^,^2£'g,l<^+2e'w^??,+ 



