( 633 ) 
=m—h tj 
En, = er Ex, 7 En—tk, h—j + 
==) 
Here follow the first terms of this development. For 1: log (1—w) 
we have put c. | 
1 1 1 ia 
Tee Lae (« e) — u (= re — ze) — u? (= ve — ate? 4 x8 #) 54 
1 11 3 
tl ee ed B ze Le zie) a 
4 12 
— ui (ae en ve — 2 at ct 1 ziet) 
el ed Tante dE = aes Li Ted st Zee Jd we) — 
— me re —- = ze? + = 255 — 
~ Ted + Rn — 366 4 271 ) REP NE a (XIV) 
If we will now bring a given point « =get inside the region 
G’ of fig. 9, then this is always possible, if only @ is not naught. 
fe 
Fig. 9. 
For by making w increase, the circles inside G', always become larger 
and it will even be possible to make « lie on the circumference of 
one of these circles or inside it. For this it is only necessary, that 
2 
CS log x 
GF sin O , 
