1908. No. 6. UBER RATIONALE ANNAHERUNGSWERTE. 19 
2U’(e) F'(e) 
= U(e) F" (9) 
Pt) = Ul) F'{e) = [F' (OP 
Pile) = 2U' (0) F' (0) = Ut) F" (1) = [F' (ØP F" (9) 
2U'(e) = F'(9) F" (9) 
P/(x) = 12U(x) JE å 
Q'(o = 2P/(e) | 
G' (2) = 39, @ La (D) 
U' (2) F(x) + G(x) = 2P,(x) ee NÉ 
Go = 2UF'—3U'F RN) 
G' (2) U(x) — 3 U'(2) GG) = (3)? w FX) Fe AE) 
Glo) = 2P,(o) = 2 [F’(o)]} Hep) 
2U' (2) F' (x) — U(x) F" (2) = 18a F(a) å 14 (80) 
U’ (2) F" (2) — U” (2) F' (2) = 64 Ula) 250 (BD 
Gl) = 27b Flo) + Ga Ute 1155 
12100) = [UP — Ÿ w 
() 
bl (z) = Ee sh å 
ie} ET 
( 
3a2 Fix) — (ax — 3b) Uk) = To 
F' (x) [- 6 ax? 
+ 9bx + 4a2] — F(x) [- 18ax + 276] = Å 
xP, (x) — Q;(2) = G(x) U(x) F(x) se de (02) 
U) F' (x) — (G (2) U' (2) + w F@) FE) .... (83) 
Wegen (10) und (11) erhält man ferner aus (82) und (83) 
zP;(2) — Qu(a) = [2G (2) U' (2) + Gr (2) U) + wF(&] Fo .... (84) 
