( 295 ) 



WitJi — =— - it follows from tlii,s that 

 n 7 



348 l+év 



If ill this we substiliile the value ().2()5 foi- //, which \ahie aixuit 

 agrees with our substaiiee for which /'=: 7, we get : 



l+.r 8 

 « = 0,947 -• m=-» (c) 



] -f ,0^ i 



As aceordiiig to (5) 



3.^• 



nzzzl A |?(1— /:?) (''■ + y) -f 



^2(.7-+l)^^ ^'^ ^ *^ ' 



+ l^^rr-^ i^ (1—'^) (1 + 2 (.6—1) ;:f-3.r.f^) (.. + ^)=' \ , (5) 



- l'^' ~T '■f I 



,i,-4-l 



we can liiid the values of 3 and ff from the above e(inatioiis with 

 an arbilrarv value of .v. 



Thus e.g. with ./■ =: 1 we tiud the values: 



(i = 0,9547; r/ = 1.2-J7. 



For then ?? becomes =0,947 V = 0,9(>9; /// = u = 1,107, 



l,9oo < 



while 



n ^ 1 -f - i? (1—/?) (l + r^) -f- 1 .^(l-<i) (I-3,i-0 (1+r/))^ 

 4 8 



3 1 



= 1 H X 0,04325 X 2,227 X 0,04325 X 1,7344 X (2,227)» 



4 8 



= 1 4- 0,0722 — 0,1036 = 0,969. 



also follows from (5). 

 And as to )n -. 



m = 1 4- y .^ (1— ii) (1 + Y)-' = 1 + -i- X 0,04325 X (2,227)^ 



= 1 ^ 0,1072 = 1,107. 



1.227 Lh 



llien we find furtiier the value — 0,628 for from 



1,955 r—b 



Lb 



<f =(l+/i)— y. 

 v—o 



