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by ¹Ù³ª¹Ù read.13,125 date.05-12-04 22:34   Ãßõ : 0   ¹Ý´ë : 0

lim(nÀÌ ¹«ÇÑ´ë·Î)(3^n+2^n)^1/n = 3
 
À§ ¹®Á¦ ´äÀÌ 3Àε¥ ¿Ö ±×·±°¡¿ä?
ºÎʵ右´Ï´Ù.
 
´Þº¸´ÙÅ«°Í  61.¢½.130.107   ÀÛ¼ºÀÏ : 05-12-05 00:09
(3^n+2^n)^1/n=[3^n{1+(2/3)^n}]^1/n
                      =3{1+(2/3)^n}^1/n

¿¡¼­ lim¸¦ ¹«ÇÑ´ë·Î °¡Á®°¡¸é 1+(2/3)^n  --> 1·Î ¼ö·Å, 1/n --> 0 À¸·Î ¼ö·Å
                                        °á±¹ 1^0Àº 1ÀÌ µÇÁÒ... µû¶ó¼­ 3 °öÇϱâ 1Àº 3!!
¹Ù³ª¹Ù  222.¢½.252.83   ÀÛ¼ºÀÏ : 05-12-05 00:31
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