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ǰλãҳ > (优辅资源)江苏省常州市高三上学期期末考试数学(?试题Word版含答案 - 百度文库

(优辅资源)江苏省常州市高三上学期期末考试数学(?试题Word版含答案 - 百度文库

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Բ󶥵㣬ԭֱMNԲMN㣨MڵޣԲ׼߽P.֪AM?MNOA?OM?42b. 3 1ԲCe

2S?AMN?S?POE?10aԲCı׼. 319.֪Ϊ{an}ǰnΪSna1?aaΪ

22an?an?1nSn?1?(n?1)Sn?n(n?1)(n?N).{bn}bn?(n?N*). anan?1*1֤{an}ǵȲУ{an}ͨʽ

2ȱ{cn}㣺n?N*{bn}ܴͬbsbt(s,t?N*)ʹbs?cn?bt{cn}Ĺq. 20.֪f(x)?lnxaΪ.

(x?a)21a?0f(x)ļֵ

2f(x)(0,?a)ϵʵaȡֵΧ

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3a??1躯f(x)(0,1)ϵļֵΪx0֤f(x0)??2. нѧѧҵˮƽ

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21.ѡ⡿ABCDСֻѡ⣬ÿС10֣20.룮ڴ⿨ָ𣬽ʱӦд˵֤̻㲽.

A.ѡ4-1֤ѡ

?ABCУNDZACһ㣬CN?2ANAB?NBCԲУֵ.

BCBN B.ѡ4-2任

?42?֪A???

a1??1ʵaֵ2A. C.ѡ4-4ϵ

ƽֱϵxOyУԭOΪ㣬xΪᣬϵ.C?x?2cos??1?Ϊ??Ϊֱlļ귽Ϊ?sin(??)?2ֱ4?y?2sin?

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lCMN㣬MNij.

D.ѡ4-5ʽѡ

a3?b3֪a?0b?0֤:2?ab. a?b2⡿22⡢23⣬ÿ10֣20.ڴ⿨ָ𣬽ʱӦд˵֤̻㲽.

22.֪׶P?ABCDIJ͵߳ȣ׶8ȡзʽ?ֵ

ڵֱཻ?ֱֵߵļнǴСƣ

ڵֱƽУ??0

ڵֱ棬?ֱֵɽǵĴС().

1P(??0)ֵ

2?ķֲмѧE(?). 23.(x?1)?(x?)?????(x?)n?2n?N*չʽкxϵΪSn121nx2ϵΪTn. 1Sn

2Tn?an2?bn?cn?2,3,4ʵa,b,cֵ Sn3ԣ2еʵa,b,cֹɷ֤n?2n?N*

Tn?an2?bn?cSn Ʒ

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Ʒ Բ󶥵㣬ԭֱMNԲMN㣨MڵޣԲ׼߽P.֪AM?MNOA?OM?42b. 3 1ԲCe 2S?AMN?S?POE?10aԲCı׼. 319.֪Ϊ{an}ǰnΪSna1?aaΪ22an?an?1nSn?1?(n?1)Sn?n(n?1)(n?N).{bn}bn?(n?N*). anan?1*1֤{an}ǵȲУ{an}ͨʽ 2ȱ{cn}㣺n?N*{bn}ܴͬbsbt(s,t?N*)ʹbs?cn?bt{cn}Ĺq. 20.֪f(x)?lnxaΪ.

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