887 



Q — 'ur -1-^'^ i 



p=0 



-''(^^)'■ 



llj, = U i2(;>.*' sinsr, p = 0,1 , . . , 



1=1 



Tir = constant + x ^ » 



(25) 



x=^''^;xy-+2(^|/ 



M 



;=0 



Deviating from the notation of the "Investigations" I have denoted 

 the coefficient of Mn 'or by the letter ;(, lo prevent confusion with 

 the known number nr. 



We get: 



i2.=0, 





(26) 



-f-l . 



^* . o'LdaJp'o.o9o 

 denoting the constant term of the periodic development of t- 



with respect to t by a stroke above the functional sign. 



■ As 



da __ d^_ ^^1-g' 1 



da 



do 



VaM 



we get: 



hence 



drt de e \/aM ' 



(27) 



(28) 



«, »^ «0 L<'Opo»o9o 



«0 »'i J vL^^dpo'o' 



o — 



l/l-, 



de 



po»o*( 



(it. 



(29) 



For the coefficients substituting their numerical values, we get: 

 •/, =z + [0.937584] n\ 



de 



(30) 



i2, = + [2.499354]^'^ ^r 







de 



Po'o'o 



'-1 V^-' 



