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#1
24 ÁԶعÒ¹ 2009, 22:03
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Limit_µÃÕ⡳_...ªèÇ·դÃѺ
1.$$lim_{x\rightarrow\infty}[ 1 - 4/(x-1) ]^{3x-1}$$ ÁÕ¤èÒà·èÒã´? [µÍº e^(-12) ]
2.¶éÒ A + B + C = 180(ͧÈÒ) áÅéÇ $$ \sum tan(A/2)tan(B/2) $$ ÁÕ¤èÒà·èÒã´? [µÍº 1 ]
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#2
25 ÁԶعÒ¹ 2009, 00:16
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1. $$\displaystyle{lim_{x \to \infty} [1-\frac{4}{x-1}]^{3x-1}}$$ 2. $n$ ÍÂÙèä˹ÍèÒ ËÒäÁèà¨Í
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25 ÁԶعÒ¹ 2009 00:17 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ -InnoXenT-
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#4
25 ÁԶعÒ¹ 2009, 22:49
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¢éÍÊͧá¡éãËéáÅéÇ
⨷ÂìáÅФӵͺ·Ñé§Êͧ¢éÍà»ç¹§Õé¨Ô§æ¤Ñº ªèǤԴ·Õ¹Ð¤ÃéÒººº...
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#5
26 ÁԶعÒ¹ 2009, 00:48
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¢éÍ1. ÅͧãªéÅÔÁÔµ¢Í§ 1/e ´Ù¤ÃѺ
$\frac{1}{e} =\lim_{x \to \infty} (1-\frac{1}{x} )^x $
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I am _ _ _ _ locked 26 ÁԶعÒ¹ 2009 00:49 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ t.B.
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