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高考数学压轴题100道汇?附详? - 百度文库

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ȫУ߿ѧϰרࣨ

߿ѧ100ѹ

?1,1?x?2 f?x????x?1,2?x?31躯

a?RǺg?x?g?x??f?x??ax,x??1,3?

ֵСֵIJΪh?a?Ih?a?Ľʽ II

y?h?x?ͼָh?x?Сֵ

2֪f(x)?x?ln?1?x?,?a?0?an1?1, an?1?f?an?; ?bn?

2a11*nb1?,bn?1?(n?1)bn, n?N.֤:0?an?1?an?1;an?1?;222a

1?2,2n2ʱ,bn?an?n!.

3֪Rϵĺf(x) ͬʱ㣺1

aΪ2f(0)?f(?)?1f(x?x)?f(x?x)?2f(x)cos2x?4asinxx,x?R

21212122124?ʱ3x?0,4f(x)2 󣺣񣩺f(x)Ľʽ

aȡֵΧ

22yx4A(x1,y1),B(x2,y2)Բ2?2?1(a?b?0)ϵ㣬(x1,y1)?(x2,y2)?0

babaxbԲe?3᳤Ϊ,220Ϊԭ. 1Բ

̣ 2ֱABԲĽF0ccΪ뽹ֱࣩABбkֵ3ʣAOBǷΪֵ

1

ȫУ߿ѧϰרࣨ

ǣ֤ǣ˵.

5֪{a}иΪ

n 12112211122211??????122??????2

nn 1֤еÿһĻ. 2ǰn֮Sn .

22xy6F1F2ֱԲ+=1ҽ. 54PǸԲ

ϵһ㣬PF?PFֵСֵ Ƿڹ

120DA5ֱlԲڲͬCʹ|F2C|=|F2D|ڣֱlķ̣ڣ˵.

7֪ԲP10붨ֱL:x=-1УCl. (1)ԲԲĵĹ켣Mķ̣

(2)P,бΪ?3 ֱMཻA,B.

iʣABCܷΪΣܣCꣻܣ˵

iiABCΪ۽ʱֵCȡֵΧ. 8Rϵĺy=f(x)f(0)0x>0ʱf(x)>1ҶabRf(a+b)=f(a)f(b)

1֤f(0)=12֤xRf(x)>03֤f(x)Rϵ4f(x)f(2x-x2)>1xȡֵΧ

2

ȫУ߿ѧϰרࣨ

9֪κ

f(x)?x2?2bx?c(b,c?R)f(1)?0ҹxķ

01ڡ f(x)?x?b?0ʵֱ䣨-3-2ʵbȡֵΧ 2F(x)?logϾеԣʵCȡֵΧ

10֪

f(x)?f(y)?f(1f(x)(?1,1),f()??1,2b 1

-1-cf(x)䣬1-c

x

y?(?1,1)

x?y ).1?xy?2xn1*,xn?1?(n?N),f(xn).221?xn

1{x}xn1 21?f(1)?f(1)??f(51111ֵ. )?f()n?2n2?3n?1

11.ֱƽУABCΪ A 01B 0,

1ƽGMͬʱGA?GB?GC?0 , |MA|= |MB|=

|MC|GMAB 1󶥵CĹ켣Eķ 2P

0 ֪PF2, QRNE FΪСֵ.

12֪?Ϊǣtan??{an}aan?1?an

1FQ , RF FNPFRF= 0.ıPRQNSֵ

2?1f(x)?x2tan2??x?sin(2???4)

?1,an?1?f(an). f(x)ıʽ ֤23

ȫУ߿ѧϰרࣨ ֤1?

13С14֣֪?a?ann1111?????2(n?2,n?N*)1?a11?a21?an

?1,an?1?2an?1?n?N??

n4b1?1?a?ͨʽ?b?44?4?(a?1)֤?a?ǵȲУ

b2?1b3?1bn?1nbnn֤1

a2?1?a3?12??n?N??an?13

2a14֪g?x???x3?ax2?cx?a?0?,Ia?1ʱg?x?32IIa???1,1?ʵcȡֵΧ

41ʱ12֤x??0,1?g/?x??1ijҪc?33xʵϵg/?x??0ʵ?,?֤??1,??1?c?a42?1ijҪ

?a.

?2n(1?n)

15֪{a ǰnĻΪTTn}ǰnĺΪS n

n1na ֤{a n}ǵȱУǷڳaʹ?S

16֪y?f(x)ǶΪRżͼxϷmn?[0,??)f(mn)?[f(m)]f(2)?4ֵx?0ʱ

nn?N? ڣn?1?a???Sn?2?a??Sn?a?2a

ڣ˵ɡ

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ȫУ߿ѧϰרࣨ ߿ѧ100ѹ ?1,1?x?2 f?x????x?1,2?x?31躯a?RǺg?x?g?x??f?x??ax,x??1,3?ֵСֵIJΪh?a?Ih?a?Ľʽ IIy?h?x?ͼָh?x?Сֵ 2֪f(x)?x?ln?1?x?,?a?0?an1?1, an?1?f?an?; ?bn?2a11*nb1?,bn?1?(n?1)bn, n?N.֤:0?an?1?an?1;an?1?;222a 1?2,2n2ʱ,bn?an?n!.

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