ÇáÓÄÇá ÇáÓÇÈÚ
íãßä ßÊÇÈÊå ßãÇ íáí
u(1)=10^4+1
u(2)=10^8+10^4+1
æåßÐÇ
u(n)=10^4n +10^4(n-1+...+10^4+1
åÐå ãÊÊÇáíÉ åäÏÓíÉ
u(n)=(10^4(n+1)-1)/(10^4-1)
åÐÇ ÇáãÞÏÇÑ
ÚÏÏÇ ÕÍíÍÇ ãÄáÝÇ
ÈãÚäì Ãä ÌãíÚ ÍÏæÏ ÇáãÊÊÇáíÉ áíÓÊ ÃÚÏÇÏÇ ÃæáíÉ
( äãÑÉ 3 ) ÇÑì Çä ÇáÇÚÏÇÏ ÇáÇæáíÉ ãÎÊáÝÉ æÇáÇßÇä åäÇß ÚÏÏ áÇäåÇÆì ãä ÇáÍáæá æÝì ÍÇáÉ ÇÎÊáÇÝåã Êßæä ÇáÍáæá 2 ¡ 3 ¡ 5 ãÚ ÇáÊÈÏíá
ÇÎì ÇáßÑíã / ÐßÑÊ áß Çä åäÇß ÚÏÏ áÇäåÇÆì ãä ÇáÍáæá
áÇä 1/2 + 1/2 + Çì ßÓÑ ãÞÇãå ÚÏÏ Çæáì > 1
ÇáÐíä íÔÇåÏæä ÇáãæÖæÚ ÇáÂä: 1 (0 ãä ÇáÃÚÖÇÁ æ 1 ÒÇÆÑ)
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