Full text: E - J (3. Band)

Integralformeln. 
331 
Integralformeln. 
IV. j'*——S x J 9a = /»(±a) 
/ " 
/ 
=f((f x) (p’x 9 a = ln (± (fix) 
qdx 
— C —— = 4“ l n ( a ± 6a) 
a ± bx 6 
1 (n , 
f a ± 6<pa 6 
Setzt man 6 = 1, so erhält man 
9a: 
/ 
f 
a ± x 
cpx • 9a: 
a ± q&a 
= /»(a ± a) 
—. ln (a ± goa) 
y f _ _ b_ r__ 1 /’9 x 
’ J x m {a + bx) «./ a: w, - 1 (a + 6a-) « J ff n 
P 9a: _ 1 j x 
! x(a-\- bx) a a-\- bx 
r 9a: _ 1 / 1 6 a -f 6a\ 
J x 2 (a + 6a?) a \ a a ” x ) 
f* 9a _ 1 f 1 6 6* a + 6a1 
J x 3 (a + 6a?) a L 2a: 2 aa a 2 W a J 
Setzt man 6=1, so erhält man die Formeln 
/* 9a 9a 1 /*9a 
./ a m (a -f a) «/ a ,H ~ 1 (a -f x) a J x m 
f = 1 i n x 
J x (a -f- x) a a -j- x 
x (a -{- x) 
9a 
: 2 (a + a) 
9a 
/'9a 1/1 
/ a 2 (a + a) a \ a 
/; 
-) /n 
a 
a -f a\ 
a / 
a 3 (a + a) 
_ ! /_ _i 
a v 2a 2 aa a 2 
yj /* cl# _ _6_ /* 9a 1 /'9 
J x'"(a — bx) a J x m ~ 1 (a — 6a) + a J x 
f ** 
= — /n 
a (a — 6a) a a — 6a 
/* 9a _1_ J~ 1 6 a 1 
J a 2 ,(a — 6a) »La a ” a — 6aJ 
/* 9a _ 1 T 1 6 6 2 a *1 
J x 3 (a—bx) a l_2a 2 aa a 2 H a— 6aJ 
Für 6=1 erhält man 
r 9a _ ^ T f dx J_, /'9al 
J x m (a — a) ° [_./ a m “ 1 (a-a) + a J x m | 
f 
— — ln 
a (a — a) 
Ar 1 -i= i r- ± + ± '- JL -1 
,/ a 2 (a — a) au a a a — aJ 
/* 9a _ 1 f 1 11^ a I 
*/ a 3 (a — a) a L 2a 2 aa T a 2 a — aJ 
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