208 algebra De mystif ieD
- PLWL
PLW
WW
PWL
PWL
=+
=+
−−
−=
− =
22
22
22
22
2
2
;
- LL adta
LL adt
LL Ladt
L
=+
=+
=+
0
0
00
1
1
1
[()];
[()]
() [()]
==+
−−
−=
− =
LLdta
LL
LL Ldta
LL
Ldt
Ldt
Ldt
00
00
00
0
0
0
0
()
()
aa
LL
Ldt
− (^0) =a
0
- SCRC C
SCRC
SC RC
=+
=+
=+
;
()1F(actorout sincewearresolvingforC.
S
R
C R
R
S
R
C
)
1
1
1
1
+
= +
+
+
=
- APPRTR
APPRTP
=+
=+
;
(Donotfactor outsinceewearenotsolving for.P)
PP
APPRT
AP
PT
P
−−
−=
− = TTR
PT
AP
PT
− =R