12 



X 



Zu 4. 1)^) 



9x" 4- 5a: 



4.r^ 



55 a; + 1 



Für y =■ s, 



7 =: 5 ; (^ = — 50 



r = 5; = 1- 



o: = 



so-' — 4. S M 

 4. 5'. 5 + 2. 50 . 30 



9 



25 



/in3\- 

 x" + 5a- + 1 = (-^) 



/iX" + 55X ■+■ 1 = (-- j 



Für 7 = 1, 



a: = 



so-" — 4. 1 .1 

 4 . 5 + 2 . 50 . 6 



62.4 

 "155" 



(2003\^ 

 Ax- + 55X+l = i^^-) 



Zu 4. 2) Ä) 



a- 



a: 



6a: + 5 

 ihx + 1 



• 1 



m = i; (5= — s ; _;■ = — A; e = 1 



20= — 4.4^^.5 5 



X = 



4. 4'-. 6 + 2.8. 20 44 



/105\2 

 X' + bX-+-5 = l-j^i 



x^ -h i4a: + 1 



= ©" 



