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- 1 -
5 ?3s
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- 2 -
()[] [ ]
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3? Cauchys
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- 3 -

4 
5 
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1
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zCz
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dz
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∫∫
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1
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3
1
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i
4i
1
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4i
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z
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zz
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2
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1
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33
=?=
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8? Cauchys
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s
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- 4 -
4
16
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25
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5
3
,||1,|1
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e
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43
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12i
C
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zz
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2
2
| i|1 | i|1
2i 2 /( i) 2 /( i)
0
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Cz z
iz iz
dz dz dz
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∫∫ ∫vv v
3
12 1 2
00
333
cos cos cos 2 i 2 i
(cos )'' | (cos )'' | 0
2! 2!
zz
CC C C C
zz
dz dz dz z z
z
π π
==
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i
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3
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- 5 -
B
1
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1
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f zdz f zdz=
∫∫vv
b
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1
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MENGM
fzdz=
∫v
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MHNFM
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NGM MEN MHN NFM
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- 6 -
()
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0
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zz
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- 7 -
ist+
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y
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25
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2222
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xy
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86
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223 223 222
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- 8 -
29 p μ/
?
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y
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=


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22
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2
234 2
11
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xxx yy
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xxxxx
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y
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+

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y
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2222
363,363
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2222 2
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4
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2
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2
00
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r
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b
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ü (′
T
P86
我要答案网 www.51daan.net
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- 9 -
2
00
0
1
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f zfzRd
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θ
θ
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2
0 0 00 0022
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11
(cos,sin) 2(,) (,)
rr
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π
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b
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7
2
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22
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我要答案网 www.51daan.net
本文件是从网上收集，严禁用于商业用途！
- 10 -
22
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()( ) 2cos()
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