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5
13s
1/
{}
n
α
^?
l ?$?T
l ?p
ì¥K
1
1i
1i
n
n
n
α
+
=
2
i
1;
2
n
n
α
=+
3
i
(1) ;
1
n
n
n
α =? +
+
4 5
i/2n
n
e
π
α
=
i/2
1
n
n
e
n
π
α
=
3 1
2
22
1i1 2
i
1i1 1
n
nnn
nnn
α
+?
==+
++
?
2
12
lim 1,lim 0
11
nn
nn
→∞ →∞
2
=?=
++
n
# α
l ?
lim 1
n
n
α
→∞
=?
2
i2
1
2
5
nn
i
n
e
θ
α
=+ =
?
2
lim 0
5
n
i
n
e
θ?
→∞
=
#
n
α
l ? lim 0
n
n
α
→∞
=
3??
n
α ¥
L?
{ }
(1)
n
??#
n
α ??
4??
i/2
cos isin
22
n
n
nn
e
π
π π
α
==?
L? a′?
(??#
n
α ??
5
i/2
11 1
cos i sin
22
n
n
nn
e
nn
π
π π
α
==? ?
11
lim cos 0,lim sin 0
22
nn
nnπ π
→∞ →∞
= =
#
n
α
l ? lim 0
n
n
α
→∞
=
2£
ü
0,| |<1,
,||>1,
lim
1,1,
||=1,1.
n
n
α
α
α
α
αα
→∞
∞
=
=
≠
?i
3
/
)
¥ '
l ??D
l ??
1
1
i
n
n
n
∞
=
∑
2
2
i
ln
n
n
n
∞
=
∑
3
1
(6+5i)
8
n
n
n
∞
=
∑
4
2
cosi
2
n
n
n
∞
=
∑
本文件是从网上收集,严禁用于商业用途!
5
13s
1/
{}
n
α
^?
l ?$?T
l ?p
ì¥K
1
1i
1i
n
n
n
α
+
=
2
i
1;
2
n
n
α
=+
3
i
(1) ;
1
n
n
n
α =? +
+
4 5
i/2n
n
e
π
α
=
i/2
1
n
n
e
n
π
α
=
3 1
2
22
1i1 2
i
1i1 1
n
nnn
nnn
α
+?
==+
++
?
2
12
lim 1,lim 0
11
nn
nn
→∞ →∞
2
=?=
++
n
# α
l ?
lim 1
n
n
α
→∞
=?
2
i2
1
2
5
nn
i
n
e
θ
α
=+ =
?
2
lim 0
5
n
i
n
e
θ?
→∞
=
#
n
α
l ? lim 0
n
n
α
→∞
=
3??
n
α ¥
L?
{ }
(1)
n
??#
n
α ??
4??
i/2
cos isin
22
n
n
nn
e
π
π π
α
==?
L? a′?
(??#
n
α ??
5
i/2
11 1
cos i sin
22
n
n
nn
e
nn
π
π π
α
==? ?
11
lim cos 0,lim sin 0
22
nn
nnπ π
→∞ →∞
= =
#
n
α
l ? lim 0
n
n
α
→∞
=
2£
ü
0,| |<1,
,||>1,
lim
1,1,
||=1,1.
n
n
α
α
α
α
αα
→∞
∞
=
=
≠
?i
3
/
)
¥ '
l ??D
l ??
1
1
i
n
n
n
∞
=
∑
2
2
i
ln
n
n
n
∞
=
∑
3
1
(6+5i)
8
n
n
n
∞
=
∑
4
2
cosi
2
n
n
n
∞
=
∑