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ÊÁѤÃÊÁÒªÔ¡ ¤ÙèÁ×Í¡ÒÃãªé ÃÒª×èÍÊÁÒªÔ¡ »¯Ô·Ô¹ ¢éͤÇÒÁÇѹ¹Õé

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à¤Ã×èͧÁ×ͧ͢ËÑÇ¢éÍ ¤é¹ËÒã¹ËÑÇ¢é͹Õé
  #1  
Old 16 ¾ÄȨԡÒ¹ 2009, 17:33
äÃéÊÁÃöÀÒ¾ äÃéÊÁÃöÀÒ¾ äÁèÍÂÙèã¹Ãкº
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Let a = b
\therefore ab = b\cdot b ................ ¤Ù³´éÇ b ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
ab = b\hat a 2
-ab = -b\hat a 2 ................ ¤Ù³´éÇ -1 ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
a\hat a 2-ab = a\hat a 2-b\hat a 2 ................ºÇ¡´éÇ ab ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
a(a-b) = (a+b)(a-b) ................¡®¡ÒÃᨡᨧ
a = a+b ................¡¯¡ÒõѴÍÍ¡
a = a+a ................; a = b
a = 2a ................¡¯¡ÒõѴÍÍ¡
1 = 2 ................???
Áѹ¼Ô´µÑé§áµèµÃ§ºÃ÷Ѵä˹ ªèǤԴ˹èÍÂ
àÍÒ¾Í˹ءæ¹Ð ÍÂèÒà¤ÃÕ´!!!
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #2  
Old 16 ¾ÄȨԡÒ¹ 2009, 20:40
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ ¤usÑ¡¤³Ôm View Post
$\therefore ab = b\cdot b$ ................ ¤Ù³´éÇ b ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$ab = b\hat a 2 $
$-ab = -b\hat a 2$................ ¤Ù³´éÇ -1 ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$a\hat a 2-ab = a\hat a 2-b\hat a 2$
................ºÇ¡´éÇ ab ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$a(a-b) = (a+b)(a-b)$ ................¡®¡ÒÃᨡᨧ
$a = a+b$ ................¡¯¡ÒõѴÍÍ¡
$a = a+a$ ................; a = b
$a = 2a $................¡¯¡ÒõѴÍÍ¡
$1 = 2$ ................???
á¡élatexãËé¡è͹¤ÃѺ

ãÊè$ ˹éÒËÅѧ´éÇÂ
§§ÁÒ¡ææ¤ÃѺäÁèà¢éÒã¨
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  #3  
Old 16 ¾ÄȨԡÒ¹ 2009, 21:02
ËÂÔ¹ËÂÒ§'s Avatar
ËÂÔ¹ËÂÒ§ ËÂÔ¹ËÂÒ§ äÁèÍÂÙèã¹Ãкº
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ÊÔ觷Õè ¤Ø³ äÃéÊÁÃöÀÒ¾ µéͧ¡ÒèжÒÁà»ç¹ÍÂèÒ§¹Õé¤ÃѺ

Let $a = b$
$\therefore ab = b\cdot b$ ................ ¤Ù³´éÇ $b$ ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$ ab = b^ 2 $
$-ab = -b^ 2 $ ................ ¤Ù³´éÇ -1 ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$ a^ 2-ab = a^ 2-b^ 2 $ ................ºÇ¡´éÇ $a^2$ ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ(á¡é¨Ò¡ $ab$ à»ç¹ $a^2$)
$ a(a-b) = (a+b)(a-b)$ ................¡®¡ÒÃᨡᨧ
$a = a+b$ ................¡¯¡ÒõѴÍÍ¡
$ a = a+a $ ................; $a = b$
$ a = 2a $ ................¡¯¡ÒõѴÍÍ¡
$1 = 2 $ ................???
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #4  
Old 16 ¾ÄȨԡÒ¹ 2009, 21:14
RT,,Ant~*'s Avatar
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ÅÁ»ÃÒ³¤ØéÁ¤ÃͧÃèÒ§
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ ËÂÔ¹ËÂÒ§ View Post
ÊÔ觷Õè ¤Ø³ äÃéÊÁÃöÀÒ¾ µéͧ¡ÒèжÒÁà»ç¹ÍÂèÒ§¹Õé¤ÃѺ

Let $a = b$
$\therefore ab = b\cdot b$ ................ ¤Ù³´éÇ $b$ ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$ ab = b^ 2 $
$-ab = -b^ 2 $ ................ ¤Ù³´éÇ -1 ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ
$ a^ 2-ab = a^ 2-b^ 2 $ ................ºÇ¡´éÇ $a^2$ ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃ(á¡é¨Ò¡ $ab$ à»ç¹ $a^2$)
$ a(a-b) = (a+b)(a-b)$ ................¡®¡ÒÃᨡᨧ
$a = a+b$ ................¡¯¡ÒõѴÍÍ¡
$ a = a+a $ ................; $a = b$
$ a = 2a $ ................¡¯¡ÒõѴÍÍ¡
$1 = 2 $ ................???

àÃÒäÁèÃÙéÇèÒ a-b à»ç¹ ºÇ¡ ËÃ×Í Åº à¾ÃÒЩйÑ鹡çäÁèÊÒÁÒöä»ËÒÃä´é.... ÁÑ駤ÃѺ ?? 55+

16 ¾ÄȨԡÒ¹ 2009 21:15 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ RT,,Ant~*
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #5  
Old 16 ¾ÄȨԡÒ¹ 2009, 21:24
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#4

¶éÒà»ç¹ºÇ¡ ËÃ×Í Åº ËÒÃä´é¤ÃѺ

áµè¶éÒà»ç¹ 0 ËÅÐ ^^
__________________
à˹×Í¿éÒÂѧÁÕ¿éÒáµèà˹×Í¢éÒµéͧäÁèÁÕã¤Ã

»Õ¡¢Õé¼×駢ͧ»ÅÍÁ§Ñé¹ÊÔ¹Ð


...âÅ¡¹ÕéâË´ÃéÒ¨ÃÔ§æ ÁѹãËé¤ÇÒÁÊØ¢¡ÑºàÃÒ áÅéÇÊØ´·éÒ Áѹ¡çàÍҤ׹ä»...
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #6  
Old 17 ¾ÄȨԡÒ¹ 2009, 17:26
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Imperial_X Imperial_X äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³ºÃÔÊØ·¸Ôì
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ LightLucifer View Post
#4

¶éÒà»ç¹ºÇ¡ ËÃ×Í Åº ËÒÃä´é¤ÃѺ

áµè¶éÒà»ç¹ 0 ËÅÐ ^^
¡ç$a=b$
$a-b=0$ ¹Ð¤ÃѺ
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»ÃÔȹҷÕè¤ÅÕè¤ÅÒÂäÁèä´é...äÁèÁÕÍÂÙ躹âÅ¡¹Õéá¹è¹Í¹

17 ¾ÄȨԡÒ¹ 2009 17:26 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Imperial_X
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #7  
Old 17 ¾ÄȨԡÒ¹ 2009, 18:21
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RT,,Ant~* RT,,Ant~* äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³¤ØéÁ¤ÃͧÃèÒ§
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ LightLucifer View Post
#4

¶éÒà»ç¹ºÇ¡ ËÃ×Í Åº ËÒÃä´é¤ÃѺ

áµè¶éÒà»ç¹ 0 ËÅÐ ^^
âÍéÐ æ .. ¢ÍÍÀÑ´éǤéÒº º T___T
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #8  
Old 17 ¾ÄȨԡÒ¹ 2009, 19:00
banker banker äÁèÍÂÙèã¹Ãкº
à·¾à«Õ¹
 
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àÍÒÁÑè§ (¼Ô´µÃ§ä˹)


$ 2 = 1 + 1 = 1 + \sqrt{1} $

$ 2 = 1 + \sqrt{(-1)(-1) }= 1 + (\sqrt{-1} \sqrt{-1} )$

$2 = 1 + (i)(i) = 1 + i^2$

$2 = 1 + (-1)$

$2 = 0$
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ÁÒËÒ¤ÇÒÁÃÙéäÇéµÔÇËÅÒ¹
áµèËÅÒ¹äÁèàÍÒàÅ¢áÅéÇ
à¢éÒÁÒ·ÓàÅ¢àÍÒÁѹÍÂèÒ§à´ÕÂÇ

¤ÇÒÁÃÙéà»ç¹ÊÔè§à´ÕÂÇ·ÕèÂÔè§ãËé ÂÔè§ÁÕÁÒ¡


ÃÙéÍÐäÃäÁèÊÙé ÃÙé¨Ñ¡¾Í
(¡àÇ鹤ÇÒÁÃÙé äÁèµéͧ¾Í¡çä´é ËÒäÇéÁÒ¡æáËÅдÕ)
(áµè¡çÍÂèÒãËéÁÒ¡¨¹·èÇÁËÑÇ àÍÒµÑÇäÁèÃÍ´)
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #9  
Old 17 ¾ÄȨԡÒ¹ 2009, 19:03
~king duk kong~'s Avatar
~king duk kong~ ~king duk kong~ äÁèÍÂÙèã¹Ãкº
¡ÃкÕè»ÃÐÊÒ¹ã¨
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ banker View Post
àÍÒÁÑè§ (¼Ô´µÃ§ä˹)


$ 2 = 1 + 1 = 1 + \sqrt{1} $

$ 2 = 1 + \sqrt{(-1)(-1) }= 1 + (\sqrt{-1} \sqrt{-1} )$

$2 = 1 + (i)(i) = 1 + i^2$


$2 = 1 + (-1)$

$2 = 0$
äÁèá¹è㨹ФÃѺ ¡ç¶éÒà¡Ô´àÍÒÊÁ¡ÒÃÁÒà·Õº¡Ñ¹
$\sqrt{1}=-1$ «Öè§à»ç¹ä»äÁèä´é¤ÃѺ
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #10  
Old 17 ¾ÄȨԡÒ¹ 2009, 20:52
¤uÃÑ¡la¢'s Avatar
¤uÃÑ¡la¢ ¤uÃÑ¡la¢ äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³¤ØéÁ¤ÃͧÃèÒ§
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ banker View Post
àÍÒÁÑè§ (¼Ô´µÃ§ä˹)


$ 2 = 1 + 1 = 1 + \sqrt{1} $

$ 2 = 1 + \sqrt{(-1)(-1) }= 1 + (\sqrt{-1} \sqrt{-1} )$

$2 = 1 + (i)(i) = 1 + i^2$

$2 = 1 + (-1)$

$2 = 0$
äÁèá¹èã¨àËÁ×͹¡Ñ¹¤ÃѺ áµè¹èÒ¨Ðà»ç¹áºº¹Õé
à¾ÃÒÐ $\sqrt{a^2}=$l$a$l áµè $\sqrt{a}^2=a$
à¾ÃÒЩйÑé¹ $\sqrt{a^2}\not=\sqrt{a}^2$ 㹡óշÕè a à»ç¹Åº
¨Ö§·ÓãËé $\sqrt{(-1)^2}\not=\sqrt{-1}^2$

¼Ô´»ÃСÒÃã´ªèǪÕéá¹Ð´éǤÃѺ à¾ÃÒÐÃÙéÊÖ¡·ÐáÁè§æ
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·ÓãËéàµçÁ·Õè·ÕèÊØ´
ÂѧÁÕ·ÕèÇèÒ§àËÅ×Íà¿×ͧ͢¤¹à¡è§·Õèà¼×èÍäÇéãË餹·Õè¾ÂÒÂÒÁ

ÊÙéµèÍä»... ÁѹÂѧäÁ診á¤è¹Õ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #11  
Old 17 ¾ÄȨԡÒ¹ 2009, 21:41
S@ndV_Vich's Avatar
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ÍèÒ¤ÃѺ¼Á¡çàËç¹´éǤÃѺẺÇèҵç
ºÃ÷Ѵ 2/3/4 á»Å¡ææ
»Å.¼ÁäÁè¤èͪÑÇÃìà·èÒäËÃè¤ÃѺ
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*1434* 4EvER
=>...1434......àÅ¢¹ÕéÊÇ¡ÇèÒáÎÐ^^

17 ¾ÄȨԡÒ¹ 2009 21:46 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ S@ndV_Vich
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #12  
Old 18 ¾ÄȨԡÒ¹ 2009, 12:02
banker banker äÁèÍÂÙèã¹Ãкº
à·¾à«Õ¹
 
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áÅéÇÍѹ¹ÕéÅèÐ ¼Ô´µÃ§ä˹

(1-1) + (1-1) + ? + (1-1) + (1-1) + ? = 0

1 + (-1+1) + (-1+1) + ? + (-1+1) + ? = 0

1 + 0 + 0 +? + 0 + .. = 0

1 = 0
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ÁÒËÒ¤ÇÒÁÃÙéäÇéµÔÇËÅÒ¹
áµèËÅÒ¹äÁèàÍÒàÅ¢áÅéÇ
à¢éÒÁÒ·ÓàÅ¢àÍÒÁѹÍÂèÒ§à´ÕÂÇ

¤ÇÒÁÃÙéà»ç¹ÊÔè§à´ÕÂÇ·ÕèÂÔè§ãËé ÂÔè§ÁÕÁÒ¡


ÃÙéÍÐäÃäÁèÊÙé ÃÙé¨Ñ¡¾Í
(¡àÇ鹤ÇÒÁÃÙé äÁèµéͧ¾Í¡çä´é ËÒäÇéÁÒ¡æáËÅдÕ)
(áµè¡çÍÂèÒãËéÁÒ¡¨¹·èÇÁËÑÇ àÍÒµÑÇäÁèÃÍ´)
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #13  
Old 18 ¾ÄȨԡÒ¹ 2009, 20:31
~king duk kong~'s Avatar
~king duk kong~ ~king duk kong~ äÁèÍÂÙèã¹Ãкº
¡ÃкÕè»ÃÐÊÒ¹ã¨
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ banker View Post
áÅéÇÍѹ¹ÕéÅèÐ ¼Ô´µÃ§ä˹

(1-1) + (1-1) + ? + (1-1) + (1-1) + ? = 0

1 + (-1+1) + (-1+1) + ? + (-1+1) + ? = 0

1 + 0 + 0 +? + 0 + .. = 0

1 = 0
ºÃ÷Ѵ·ÕèÊͧ¤ÃѺ ¨Ó¹Ç¹¢Í§ 1 ÁѹäÁèà·èҡѺºÃ÷Ѵáá¤ÃѺ
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  #14  
Old 19 ¾ÄȨԡÒ¹ 2009, 01:25
¤uÃÑ¡la¢'s Avatar
¤uÃÑ¡la¢ ¤uÃÑ¡la¢ äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³¤ØéÁ¤ÃͧÃèÒ§
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ banker View Post
áÅéÇÍѹ¹ÕéÅèÐ ¼Ô´µÃ§ä˹

(1-1) + (1-1) + ? + (1-1) + (1-1) + ? = 0

1 + (-1+1) + (-1+1) + ? + (-1+1) + ? = 0

1 + 0 + 0 +? + 0 + .. = 0

1 = 0
¼Ô´·ÕèÊÕá´§¤ÃѺ
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·ÓãËéàµçÁ·Õè·ÕèÊØ´
ÂѧÁÕ·ÕèÇèÒ§àËÅ×Íà¿×ͧ͢¤¹à¡è§·Õèà¼×èÍäÇéãË餹·Õè¾ÂÒÂÒÁ

ÊÙéµèÍä»... ÁѹÂѧäÁ診á¤è¹Õ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #15  
Old 19 ¾ÄȨԡÒ¹ 2009, 06:50
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t.B. t.B. äÁèÍÂÙèã¹Ãкº
¡ÃкÕè»ÃÐÊÒ¹ã¨
 
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ banker View Post
áÅéÇÍѹ¹ÕéÅèÐ ¼Ô´µÃ§ä˹

(1-1) + (1-1) + … + (1-1) + (1-1) + … = 0

1 + (-1+1) + (-1+1) + … + (-1+1) + … = 0

1 + 0 + 0 +… + 0 + .. = 0

1 = 0
à¾ÔèÁàµÔÁãËé¤ÃѺÇèÒ ÁÕ·Äɯպ·à¡ÕèÂǡѺ¡ÒèѴÃÙ»ãËÁè¢Í§Í¹Ø¡ÃÁ͹ѹµì ºÍ¡äÇéÇèÒ¶éÒ͹ءÃÁ¹Ñé¹äÁèÅÙèà¢éÒÍÂèÒ§ÊÁºÙóìáÅéÇ ¹Ñ鹨ÐäÁèÊÒÁÒöÊѺà»ÅÕè¹ÅӴѺ¢Í§¼ÅºÇ¡ä´é(͹ءÃÁ¼ÅÍÍ¡ÁÒÍÒ¨¨ÐäÁèà·èҡѹ) µéͧºÇ¡äÅ辨¹ì仵ÒÁÅӴѺà·èÒ¹Ñé¹

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http://en.wikipedia.org/wiki/Absolute_convergence
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