



In a special cane when* the loading nmt bo 

 n- i MM- panel /> until the teuton in the 



wrb member N: i.- lmlaii'-i-.l l.x t),. ,J, a-i : |d 



Fltt.9. 



in this same monilNT. the value of M t b not im>. and tbr 

 ^ becomes 



Or, letting .If. - 



- 



- 



*.-(;).* 



