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Μαθηματικά Κατεύθυνσης Απαντήσεις Θέματων Πανελληνίων 2004
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2004
| www.lazaridi.info | tel. 6977.385.358 |
www.lazaridi.info Page 1 of 3
| | 2004 | |
| 1
. . . / / / /
:
.. f ),(),( oo xxa f ox .
| 2
.
),0( +=A
)1ln2()( += xxxf
exexxxxf 1
21ln01ln20)( 2/1 ====+=
.
3ln2)( += xxf
2/3
23ln03ln20)( ===+= exxxxf
.
+= ,21)(e
Af
)( xf
)( xf
+
0x
ee 21
,
1min
e/1
+
0)( xf
)( xf
x
3
2/3
23
,
..
ee
2/3e
2004
| www.lazaridi.info | tel. 6977.385.358 |
www.lazaridi.info Page 2 of 3
| 3
.
. Rolle g ]2/3,0[
pi
23
,0
( ) ( ) ( ) ( ) ( ) ( ) ( ) fffffefeg ==+=+= 000
.
( )=
====
02
02
00
)32()32()()()(a
x
a
x
a
x
a
dxxxedxxxedxxfedxxgaI
[ ] ( )=
==
02
002 )34()32()34()32(
a
xa
a
xa
x dxxeaaedxxexxe
[ ] =+= 0
02 4)34()32(a
xa
xa dxexeaae [ ] =+ )1(4)34(3)32( 2 aaa eaeaae
7)772( 2 ++= aaea
.
( ) 7707772lim7)772(lim)(lim2
2 =+=
+
+=++=
aa
a
aa e
aaaaeaI
:
04lim74lim772lim2
=
=
+=
+ aa
DLH
aa
DLH
aa ee
a
e
aa
| 4
.
+=+=
zzxxfz
zzxxfzxg 1)(||3133)(||)( 2323
.
0)( xg 0)1( =g )1()( gxg pi .Fermat
zzz
zzz
zzfzg 1||01||01)1(||30)1( +==+=
+=
2004
| www.lazaridi.info | tel. 6977.385.358 |
www.lazaridi.info Page 3 of 3
.
+++=++=+=+=zzz
z
z
zzzzz
zz
zzzz
zzz
zzz
1)1()1(1||1||2
2
=+++=++=
++=
++ ...01)()(010101 2222
22biabiazz
zz
zz
zzz
z
z
z
2122 = ba
pi
abiabibabiaz 2212)( 2222 +=+=+=
pi
21)Re( 2 =z
.
pi . 02122