t30 C N S 1 D E R A T 1 



i _ g 



F>fito*-y' ( / + jT*)*'-V(/H-***) 



«/g _, - . i-g*y _ 



V. J(ffg ZZ )iV(b+kzz)-'t jaX h+Jk-gb)xx 



£ ;, ,/*--^_r 



-fk-fbWVfjj-b 



z b-\-kzz 



pocto * = Vi/+*„) et >- y /q^F s 



-4*- fk JJ byy-f 

 z f-\~gzz 



pofito * = y^^-jk^J) i ^ r:s=y _#-H-tt 

 zzdz , fJ .J t-fxx 



Vll -f(f +J r ZZ)l V(b+kz~r~' s) *+ (sb-fQx* 



fk-gb * J k-gvy 



pofito * = 7(j4^5j et ^- y /^ 2 * 



zzd z _ . fd , i- bxx 



WllL \b-rkzz)lV(f+gzz) -' kja g+ijk-gb)xx 



— J__if_i ^ h - yy ~ f 

 ~~gh-Jk JUyV g-kyj 



i f+gzz 



P° fit0 *~y<,b+k*z) ^J-^TTkTz 



Theore- 



