y
(+O)
--
y
(
-
0)
+
Ay
(0)
=
lirn
sW,V
=
lirn
(bos2
+
b1s
+
62)
s
=
0;
s+=
s,,
(aos2
+
a1s
+
a,) (s
+
P),
Y'
($0)
--
g'
(
-
0)
$
Ag'
(0)
=
lim
s
[sW,V
-
Ay
(O)]
=
S+W
~2
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+
bls
$
b2)
=
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60
=
-
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(aos2
+
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$
az)
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$
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a
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o
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2
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CS
+
1
=
C
(S
-
s,)
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