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高二下学期期末考试数学(?试题6(附答? - 百度文库

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߶ѧĩѧģ6()

ڢѡ⣨60֣

һ. ѡ⣺12С⣬ÿС5֣60֣ÿСĸѡУֻһǷĿ

Ҫģ

1. 輯M?{x|x?2014},N?{x|0?x?1}йϵȷǣ

AM?N?R CN?M

BM?N?{x|0?x?1} DM?N??

?5?iģΪ 2?3i A0 B1 C2 D2

1lnxlnx3x?(e?1,1), a?lnx,b?()c?ea,b,cĴСϵΪ( )

2A.b?c?a B. c?b?a C.a?b?c Db?a?c

4. a,bֱͬߣ?,?ͬƽ棬ܵóa?bǣ

2.֪iλ

Aa??b//???? Ba??b???//? Ca??b???//? Da??b//????

5.֪?an?ΪȲУa1?1,d?0a1a2a5ɵȱȣa2014ֵΪ A4023 B4025 C4027 D4029

?)ϵݼĺ( ) 6.ż(0A.y?sin x B.y?cos x C.y?sin 2x D.y?cos 2x

(1ҳ4ҳ)

7ͼ󣩸Ǽ1?ǣ Ai?2011

111??????ֵһͼжϿӦ 352011Di?1005

Bi?2011 Ci?1005

8. ͼңһͼͲͼͬһһιɣͼУԲİ뾶Ϊ3.ıΪ( )

A15 B18 C21 D24 9.Բx?y?2x?2y?1?0ϵĵ㵽ֱx?y?2ľֵ( )

1ҳ 6ҳ

22

A.2 B. 1+2 C. 1?y2x2

10. ֪F2F1˫2 - 2=1(a>0b>0)ϡ½㣬F2ڽߵĶԳƵǡ

ab

F1ΪԲģ|OF1|Ϊ뾶Բϣ˫ߵΪ

A3 B3 C2 D2 2 D.1+22 212.Rϵĺf(x)㣺f(x)?f?(x)?1,f(0)?4,򲻵ʽef(x)?e?3e ΪȻĵĽ⼯Ϊ

A?0,??? B???,0???3,??? C???,0???0,??? D?3,???

xx

ڢѡ⣨90֣

⣺⹲4С⣬ÿС5֣20֣ 13.֪xy

z=2x+yֵΪ _________

?14.f(x)ǶRϵ溯x??ʱf(x)??x?xf(?)?-----------

15.ӵֱ?ABCĵױBCȡһD?ABDΪεĸΪ 16.֪a?R,xķx2?2x?a?1?a?0ʵ,aȡֵΧ . .⣺70֣ÿҪдϸĽ̷۷֣ 17. С10֣

ֱϵxOyУֱlķΪxy+4=0CIJΪ

Ϊ

1֪ڼֱ꣨ϵxOyȡͬijȵλԭOΪ㣬xΪᣩ

УPļΪ4

18. С12֣

֪a?(sinx,sinx)b?(cosx,sinx)(x?R)f(x)?a?b. 1f(x)Сڣ 2x?[0,жϵPֱlλùϵ

2QCϵһ㣬ֱlľСֵ

?2]f(x)ֵӦxֵ

3x?[0,?]f(x)ĵݼ.

2ҳ 6ҳ

19.С12֣

ڵȲ{an}͵ȱ{bn}Уa1b11b48{an}ǰ10S1055. (1)anbn

(2)ֱַ{an}{bn}ǰ3иȡһдӦϼֵ ȵĸʣ

20.С12֣

ͼʾABCDУAD?ƽABE

AE?EB?BC?2FΪCEϵĵ㣬 BF?ƽACE

֤AE?ƽBCE ֤AE//ƽBFD ׶C?BGF

21.С12֣

֪ԲC:x2y2ab?1(a?b?0)Ϊ32?22

A(0,1)ֱLԲCཻA,B. 1ԲCķ̣

2MԲOM?12OA?32OBֱLбkֵ.

3ҳ 6ҳ

ο 1 B 2 D 3 A 4 C 5 C 6 B 7 A 8 C 9 B 10 C 11 B [Դ:]12 A 113. 4 14. ?? 15. 2 16. [?1,0] 17. ⣺IѼϵµĵ㣨4

Ϊֱ꣬P04

ΪPֱ꣨04ֱlķxy+4=0 ԵPֱlϣ5֣

IIQΪcossin QֱlľΪd=ɴ˵ã

cos

=

cos

+2

=1ʱdȡСֵСֵΪ

210

18. ⣺f(x)?a?b?sinxcosx?sinx?11?cos2x2?1sin2x?=(sin2x?)? 2224219. ⣺(1){an}ĹΪd{bn}ĹΪq.

109

S1010d55b4q38 2

2

d1q2 4

annbn2n1. 6

(2)ֱ{an}{bn}ǰ3иȡһõϼ9 (1,1)(1,2)(1,4)(2,1)(2,2)(2,4)(3,1)(3,2)(3,4)8 ϼ2(1,1)(2,2) 10

2

ĸP. 12

9

20. ⣺1֤AD?ƽABEAD//BC BC?ƽABEAE?BC 2 ?BF?ƽACEAE?BF

?AE?ƽBCE 4

2ɵGACе㣬FG

G ?BF?ƽACECE?BF

4ҳ 6ҳ

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߶ѧĩѧģ6() ڢѡ⣨60֣ һ. ѡ⣺12С⣬ÿС5֣60֣ÿСĸѡУֻһǷĿҪģ 1. 輯M?{x|x?2014},N?{x|0?x?1}йϵȷǣ AM?N?R CN?M BM?N?{x|0?x?1} DM?N?? ?5?iģΪ 2?3i A0 B1 C2 D2 1lnxlnx

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