587
TT-
Mi
-
1«
»'.
I
*
**
X/*
uX"2A*++*Az %^1+A*
*4.*
&-*)*(
^
)
r\Cl+rXf
?A*
[p. 47]
Rationalisierung.
4~T
A=*~1+
(2i-r2)2
*
4
-
r
4
*1
2
(1
-x^)(l
-xf)
r
=
- -
x
x
2
+
r2
=
ij f*2
-2
+ (2 +
r2/
=
ij
+
//
r.
1
~Lz~4a/a
1
+
2^
+ j-
r4
1
1
1
+
Sa
+
ir2)
[p. 48]
Subst
2A
=
u +
J-
u
gegen
P
Rf +
P
R
u2
-
Z4u
+ A2
= - 1
+ A:
u
- -
A
±
^A2-1
Uj
-
U2
=
2
^A2-
1
u2
-
2Au
+
1
=
(u
-
uj)(u
- U2)
gross.
2(1
-
A)
=* (
...
)