ÌâÄ¿ÄÚÈÝ

ÒÑÖªµÈ±ÈÊýÁÐ{an}µÄ¹«±ÈΪq£¬¼Çbn£½am(n£­1)£«1£«am(n£­1)£«2£«¡­£«am(n£­1)£«m£¬cn£½am(n£­1)£«1¡¤am(n£­1)£«2¡¤¡­¡¤am(n£­1)£«m(m£¬n¡ÊN*)£¬ÔòÒÔϽáÂÛÒ»¶¨ÕýÈ·µÄÊÇ(¡¡¡¡)
A£®ÊýÁÐ{bn}ΪµÈ²îÊýÁУ¬¹«²îΪqm
B£®ÊýÁÐ{bn}ΪµÈ±ÈÊýÁУ¬¹«±ÈΪq2m
C£®ÊýÁÐ{cn}ΪµÈ±ÈÊýÁУ¬¹«±ÈΪqm2
D£®ÊýÁÐ{cn}ΪµÈ±ÈÊýÁУ¬¹«±ÈΪqmm
C
µÈ±ÈÊýÁÐ{an}µÄͨÏʽan£½a1qn£­1£¬
ËùÒÔcn£½am(n£­1)£«1¡¤am(n£­1)£«2¡¤¡­¡¤am(n£­1)£«m
£½a1qm(n£­1)¡¤a1qm(n£­1)£«1¡¤¡­¡¤a1qm(n£­1)£«m£­1
£½a1mqm(n£­1)£«m(n£­1)£«1£«¡­£«m(n£­1)£«m£­1
£½a1mq£½a1mq.
ÒòΪ£½£½qm2£¬
ËùÒÔÊýÁÐ{cn}ΪµÈ±ÈÊýÁУ¬¹«±ÈΪqm2.
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø