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#1
22 ÁÕ¹Ò¤Á 2003, 15:04
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»ÑËÒ¢éÍ·Õè 23
ãËé a = 2546Ö2546 ¨Ó¹Ç¹µèÍ仹Õé ¨Ó¹Ç¹ã´ÁÕ¤èÒÁÒ¡¡Çèҡѹ ÃÐËÇèÒ§
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The difference between school and life? In school, you're taught a lesson and then given a test. In life, you're given a test that teaches you a lesson. 
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#2
25 ÁÕ¹Ò¤Á 2003, 00:00
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ãËé a=n^(1/n) áÅÐ n=2546 ¨Ðä´é ln (a) = ln(n) / n
¨Ðä´é a>n ..... (1) a/n > 1 a ln(n) / n > ln(n) a ln(a) > ln(n) ln(a^a) > ln(n) a^a > n ......(2) (a^a)/n > 1 (a^a) ln(n) / n > ln(n) (a^a) ln a > ln(n) ln (a^a^a) > ln(n) (a^a^a) > n ......(3) ...... (a^a^a...^a) > n àÊÁÍ
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#3
25 ÁÕ¹Ò¤Á 2003, 00:06
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¤Ó͸ԺÒ¹éÍÂä»Ë¹èÍ¢ÍÍÀÑÂ
ln(n) > 0 ¨Ö§¤Ù³à¢éÒ·Ñé§Êͧ¢éÒ§¢Í§ÊÁ¡ÒÃä´éâ´ÂäÁèµéͧ¡ÅѺà¤Ã×èͧËÁÒÂ
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#4
25 ÁÕ¹Ò¤Á 2003, 15:11
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¤Ø³ TSW ¼Ô´µÑé§áµèÊÁ¡Òà (1) áÅéÇÅÐ
 ¨Ò¡ ln(a) = ln(n) / n ËÃ×Í ln(n) = n ln(a) ¨Ðä´é n >= a
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#6
27 ÁÕ¹Ò¤Á 2003, 15:34
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¢ÍÍÀѤÃѺ §èǧæ àÅ¡ÅѺà¤Ã×èͧËÁÒÂä»
(·´Êͺ¤¹ÍèÒ¹ÇèÒ¤Ô´µÒÁ´éÇÂËÃ×Íà»ÅèÒ ÍÔææ)
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