|
ÊÁѤÃÊÁÒªÔ¡ | ¤ÙèÁ×Í¡ÒÃãªé | ÃÒª×èÍÊÁÒªÔ¡ | »¯Ô·Ô¹ | ¢éͤÇÒÁÇѹ¹Õé | ¤é¹ËÒ |
|
à¤Ã×èͧÁ×ͧ͢ËÑÇ¢éÍ | ¤é¹ËÒã¹ËÑÇ¢é͹Õé |
#1
|
||||
|
||||
͹ءÃÁ ¤Ô´äÁèÍÍ¡
1-3/2+9/4-27/8+81/16-........
¤Ô´äÁèÍÍ¡¤ÃѺ ¢ÍÇԸդԴẺ limit¹Ð¤Ñº á¡éãËéáÅéǹФÃѺⷴ·Õ¤Ñº 19 Á¡ÃÒ¤Á 2010 13:08 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ §èǧ¹Í¹ |
#2
|
||||
|
||||
ÍéÒ§ÍÔ§:
¨Ðä´é¤Ô´§èÒÂæ |
#3
|
||||
|
||||
¶éÒà»ç¹ÍÂèÒ§¹Ñé¹ Í¹Ø¡ÃÁ¹Õé ä´àÇÍÃìਹ¹Ð¤ÃѺ à¾ÃÒÐà»ç¹Í¹Ø¡ÃÁàâҤ³ÔµÍ¹Ñ¹µì·Õè |r|>1 |
#4
|
||||
|
||||
$S = \lim_{x \to \infty} S_n = \infty $
à¹×èͧ¨Ò¡ $\left|\,r\right.\left.\,\right| >1$ ¨Ö§à»ç¹ÅÙèÍÍ¡ ËÃ×Íà»ç¹ÅӴѺä´àÇÍÃìਹ µèͤÃѺ $0.5-0.005+0.0005-0.00005+...$
__________________
¨§à»ç¹¤¹â§èã¹ÊÒµҼÙéÍ×è¹ ´Õ¡ÇèÒà»ç¹¤¹â§èã¹ÊÒµҵ¹àͧ~Ø~ 19 Á¡ÃÒ¤Á 2010 07:30 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Beta |
#5
|
||||
|
||||
¢é͹Õé¼ÁµÔ´µÃ§·Õè limit (-3/4)^n à·èҡѺÍÐäÃÍФÃѺ àÁ×èÍ nä»ÊÙè INF ¹Ð¤Ñº
|
#6
|
||||
|
||||
¢é͹Õé´Ù·ÕèµÑÇÃèÇÁ¡ç¹èÒ¨ÐÃÙé¼ÅáÅéǹФÃѺ ¤×Í |r|>1 ÍÂÙèáÅéÇ µÑÇ·ÕèÁÒ¡¡ÇèÒ˹Öè§Â¡¡ÓÅѧÁÒ¡ææ¡ç¨ÐÁÕ¤èÒÁÒ¡ææ
à»ç¹ä´àÇÍÃìਹäÁèãªèËÃͤÃѺ »Å. µÑÇÃèÇÁà»ç¹ -3/2 ¹Ð¤ÃѺ
__________________
¨§à»ç¹¤¹â§èã¹ÊÒµҼÙéÍ×è¹ ´Õ¡ÇèÒà»ç¹¤¹â§èã¹ÊÒµҵ¹àͧ~Ø~ |
#7
|
||||
|
||||
¢Íº¤Ø³ÁÒ¡¤Ñº
|
|
|