t>er Cid)tfira$Ien. 
109 
1 I 
fo i(I t^re (Entfernung A + ß = o ober A = — B 
iii 1 n +1 
P. ©eil 7-=p’+T,unt)P=: nP,fo iji P= -R s 
R * P . n ; 
1 - „ 1 a * R 
unb P s n + i. R. Tluperbem ijl B = R unb P * 
m 
©efet man alfo biefen ®ert& in bie ©letdjung, fo »er« 
roanbeit fte ficfy in $> * * ( n ’ x 1 + x 1 4. 
n+i “ 
m 
■) 
( / IT * 1 * I ^ 
n 3 + 1 + J = n.n + u 3 ftad)bem manbie 
(Exponenten beftimmt §at, pnben pcf> au$ bem §* n, bie 
<£>albmeffer berSlddjcn, ndmlicb: 
'Jm ebjten (ßlafe, 
©et S3orberfeite 
n + i* R 
n. h -f- x 
ber ^intern == 
n 4-1* R 
n. k —‘ x 
'Jm $weyten (Blafe, 
n +1. R 
©er SBorberfeite 
n+ 1* h — nk rx 
ber ^intern 
n +1. R 
n+ i.k — ah—x 
3« 
