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sein muss, so erliiilt man, indein man die Ausdriicke (17), (24), (34), (3(1), (41), (42) und (43) benutzt:

—(n+ft) (*„ —("+?«)(*—? l£) ?yh

d-

+ [n+ft+?0] [(*— ^^)(1 ~(v) ■11 +* ^)] + [(H+ft + '/u)2 /'"] 4" (H+^ii+'/d)^9" ? ()" JTP'<>

-pQ~- - c £)+po *«

-p('-S%Ym*tx; —/y<>(u-u) + £ w- (n+/>„)2] = 0. ( i D v /. <v <V/() 2z„

oder:

- (n+«,) (Vo - ~ n) - (n + 2o) («r - : |) ■ - ^ ^ ?-

+ ('1 + ft + '/») [ƒ ? c>^ (n +?o)(j^ —S ,)*•")]

+ H~ [(n "^/y0 + '/<>)" —p1] + O " [ft2 — (n +/>(>)"] +i>* ~/C «CjC()

c>-

—1' (j — ? (y-^) —l'(/Ai —j'^y — * (v-^) ~f~ft *0 typ 'ftG'o-5"o)=,,-( ' ,)) Dill'erenzirt man die obitje Gleichung (45) nacli II, so erliiilt man:

»e+HG-é]+C'-f«)0-^)-"

*7

+ ^ (ft + '/<>)—(ft + 2'lu) Qy — z -t,t) = °» ('l',i)

y

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