121 
X 
X 
(' 
dip 3 rP 
x p Vx 
)=- 
1 
— e 
s 
x p Vx . dx 
X 
+ 
2 P + 1 “7 
e s x p 1 Vx,dx 
X 
■/( 
et inde / (e 5 x p Vx 
• dx) = — s. 
X 
6 
x p Vx 
+p±iu 
) '/( 
X 
6 p i 
e X V x.dx 
S' 
X 
s 
X 
X 
Vx . dx :zr — 
s.e 
vx +1 r, 5 dx 
2 J* 
/' 
X 
s 
X 
xVx.dx rs — 
/ « 
(‘ 
* 
+ ?)-+¥/■ 
K* 7 
X 
f 
e X 2 Vx . dx — 
.r * 
X 
s ( 2 , 5 , 5.3 \ 
{* + J '* + — / 2 J 
+ — sKfe s JL 
8 7 Kx 
16 . 
