2014-2015Ä꿼ÑÐÊýѧ¶þÕæÌâ¼°´ð°¸½âÎö ÏÂÔر¾ÎÄ

2014ÄêÈ«¹ú˶ʿÑо¿ÉúÈëѧͳһ¿¼ÊÔÊýѧ¶þÊÔÌâ

Ò»¡¢Ñ¡ÔñÌâ:1?8СÌâ,ÿСÌâ4·Ö,¹²32·Ö.ÏÂÁÐÿÌâ¸ø³öµÄËĸöÑ¡ÏîÖÐ,Ö»ÓÐÒ»¸öÑ¡Ïî·ûºÏÌâÄ¿ÒªÇóµÄ,Ç뽫ËùÑ¡ÏîÇ°µÄ×ÖĸÌîÔÚ´ðÌâÖ½Ö¸¶¨Î»ÖÃÉÏ. £®£®£®

1(1) µ±x?0ʱ£¬Èôln(1?2x)£¬Ôò?µÄÈ¡Öµ·¶Î§ÊÇ( ) (1?cosx)¾ùÊDZÈx¸ß½×µÄÎÞÇîС£¬

???(A) (2,??)

(B) (1,2)

(C) (,1)

12

(D) (0,)

12(2) ÏÂÁÐÇúÏßÖÐÓн¥½üÏßµÄÊÇ ( )

(A) y?x?sinx (C) y?x?sin

(B) y?x2?sinx (D) y?x?sin21 x1 x(3) É躯Êýf(x)¾ßÓÐ2½×µ¼Êý£¬g(x)?f(0)(1?x)?f(1)x£¬ÔòÔÚÇø¼ä[0,1]ÉÏ £¨ £©

(A) µ±f?(x)?0ʱ£¬f(x)?g(x) (C) µ±f??(x)?0ʱ£¬f(x)?g(x)

(B) µ±f?(x)?0ʱ£¬f(x)?g(x) (D) µ±f??(x)?0ʱ£¬f(x)?g(x)

2??x?t?7(4) ÇúÏß?É϶ÔÓ¦ÓÚt?1µÄµã´¦µÄÇúÂʰ뾶ÊÇ £¨ £© 2??y?t?4t?1 (A)

10 50 (B)

10 100

(C)1010

(D)510 il(5) É躯Êýf(x)?arctanx£¬Èôf(x)?xf?(?)£¬Ôòm (A)1

(B)

?2x2x?0? £¨ £©

(D)

2 3 (C)

1 21 3?2u(6) É躯Êýu(x,y)ÔÚÓнç±ÕÇøÓòDÉÏÁ¬Ðø£¬ÔÚDµÄÄÚ²¿¾ßÓÐ2½×Á¬ÐøÆ«µ¼Êý£¬ÇÒÂú×ã?0?x?y?2u?2u¼°2?2?0£¬Ôò £¨ £© ?x?y(A)u(x,y)µÄ×î´óÖµºÍ×îСֵ¶¼ÔÚDµÄ±ß½çÉÏÈ¡µÃ (B) u(x,y)µÄ×î´óÖµºÍ×îСֵ¶¼ÔÚDµÄÄÚ²¿ÉÏÈ¡µÃ

1

(C) u(x,y)µÄ×î´óÖµÔÚDµÄÄÚ²¿È¡µÃ£¬×îСֵÔÚDµÄ±ß½çÉÏÈ¡µÃ (D) u(x,y)µÄ×îСֵÔÚDµÄÄÚ²¿È¡µÃ£¬×î´óÖµÔÚDµÄ±ß½çÉÏÈ¡µÃ

0a(7) ÐÐÁÐʽ

0cab000b? £¨ £©

cd000d

(B) ?(ad?bc)2 (D) bc?ad

2222(A) (ad?bc)2 (C) ad?bc

2222(8) Éè?1,?2,?3¾ùΪ3άÏòÁ¿£¬Ôò¶ÔÈÎÒâ³£Êýk,l£¬ÏòÁ¿×é?1?k?3,?2?l?3ÏßÐÔÎÞ¹ØÊÇÏòÁ¿×é ?1,?2,?3ÏßÐÔÎÞ¹ØµÄ £¨ £©(A) ±ØÒª·Ç³ä·ÖÌõ¼þ (B) ³ä·Ö·Ç±ØÒªÌõ¼þ

(C) ³ä·Ö±ØÒªÌõ¼þ (D) ¼È·Ç³ä·ÖÒ²·Ç±ØÒªÌõ¼þ ¶þ¡¢Ìî¿ÕÌ⣺9?14СÌâ,ÿСÌâ4·Ö,¹²24·Ö.Ç뽫´ð°¸Ð´ÔÚ´ðÌâÖ½Ö¸¶¨Î»ÖÃÉÏ. £®£®£®((9)

1???x2?2x?5dx?__________.

1(10) Éèf(x)ÊÇÖÜÆÚΪ4µÄ¿Éµ¼Æ溯Êý£¬ÇÒf?(x)?2(x?1),2yzx?[0,2]£¬()Ôòf7?__________.

(11) Éèz?z(x,y)ÊÇÓÉ·½³Ìe?x?y2?z?7È·¶¨µÄº¯Êý£¬Ôòdz411(,)22?__________.

(12) ÇúÏßr?r(?)µÄ¼«×ø±ê·½³ÌÊÇr??£¬ÔòLÔÚµã(r,?)?(__________.

??,)´¦µÄÇÐÏßµÄÖ±½Ç×ø±ê·½³ÌÊÇ

222(13) Ò»¸ù³¤Îª1µÄϸ°ôλÓÚxÖáµÄÇø¼ä[0,1]ÉÏ,ÈôÆäÏßÃܶÈ??x???x?2x?1,Ôò¸Ãϸ°ôµÄÖÊÐÄ×ø±êx?__________.

(14) Éè¶þ´ÎÐÍf?x1,x2,x3??x1?x2?2ax1x3?4x2x3µÄ¸º¹ßÐÔÖ¸ÊýΪ1£¬ÔòaµÄÈ¡Öµ·¶Î§Îª

22_______.

Èý¡¢½â´ðÌ⣺15¡«23СÌâ,¹²94·Ö.Ç뽫½â´ðдÔÚ´ðÌâÖ½Ö¸¶¨Î»ÖÃÉÏ.½â´ðӦд³öÎÄ×Ö˵Ã÷¡¢Ö¤£®£®£®Ã÷¹ý³Ì»òÑÝËã²½Öè. (15)(±¾ÌâÂú·Ö10·Ö)

2

?Çó¼«ÏÞlimx???x1?2?1??tte?1????t?dt??????.

?1?x2ln?1???x?(16)(±¾ÌâÂú·Ö10·Ö)

ÒÑÖªº¯Êýy?y?x?Âú×ã΢·Ö·½³Ìx2?y2y??1?y?£¬ÇÒy?2??0£¬Çóy?x?µÄ¼«´óÖµÓ뼫С Öµ.

(17)(±¾ÌâÂú·Ö10·Ö)

ÉèƽÃæÇøÓòD???x,y?1?x2?y2?4,x?0,y?0,¼ÆËã??D?xsin?x2?y2x?y??dxdy.

(18)(±¾ÌâÂú·Ö10·Ö)

?2z?2zÉ躯Êýf(u)¾ßÓжþ½×Á¬Ðøµ¼Êý£¬z?f(ecosy)Âú×ã2?2?(4z?excosy)e2x£¬Èô

?x?yx£¬Çóf(u)µÄ±í´ïʽ. f(0)?0,f'(0)?0(19)(±¾ÌâÂú·Ö10·Ö)

É躯Êýf(x),g(x)µÄÇø¼ä[a,b]ÉÏÁ¬Ðø£¬ÇÒf(x)µ¥µ÷Ôö¼Ó£¬0?g(x)?1.Ö¤Ã÷£º (I)0?(II)

?xabg(t)dt?x?a,x?[a,b],

?a?a?ag(t)dtf(x)dx?bf(x)g(x)dx. ?a(20)(±¾ÌâÂú·Ö11·Ö)

É躯Êýf(x)?x,x??0,1?£¬¶¨Ò庯ÊýÁÐf1(x)?f(x),f2(x)?f(f1(x)),?, 1?xfn(x)?f(fn?1(x)),?£¬¼ÇSnÊÇÓÉÇúÏßy?fn(x)£¬Ö±Ïßx?1¼°xÖáËùΧ³ÉƽÃæͼÐεÄÃæ»ý£¬Çó

¼«ÏÞlimnSn.

n??(21)(±¾ÌâÂú·Ö11·Ö) ÒÑÖªº¯Êýf(x,y)Âú×ã

?f?2(y?1)£¬ÇÒf(y,y)?(y?1)2?(2?y)lny,ÇóÇúÏßf(x,y)?0?yËùΧ³ÉµÄͼÐÎÈÆÖ±Ïßy??1ÐýתËù³ÉµÄÐýתÌåµÄÌå»ý. (22)(±¾ÌâÂú·Ö11·Ö)

3

?1?23?4??? Éè¾ØÕóA??01?11?£¬EΪÈý½×µ¥Î»¾ØÕó.

?120?3???(I)Çó·½³Ì×éAx?0µÄÒ»¸ö»ù´¡½âϵ£» (II)ÇóÂú×ãAB?EµÄËùÓоØÕó.

(23)(±¾ÌâÂú·Ö11·Ö)

?1?1 Ö¤Ã÷n½×¾ØÕó?????1

1?1??0?01????1?1??0?02?ÓëÏàËÆ.

?????????????1?1??0?0n?

2014ÄêÈ«¹ú˶ʿÑо¿ÉúÈëѧͳһ¿¼ÊÔÊýѧ¶þÊÔÌâ´ð°¸

Ò»¡¢Ñ¡ÔñÌâ:1?8СÌâ,ÿСÌâ4·Ö,¹²32·Ö.ÏÂÁÐÿÌâ¸ø³öµÄËĸöÑ¡ÏîÖÐ,Ö»ÓÐÒ»¸öÑ¡Ïî·ûºÏÌâÄ¿ÒªÇóµÄ,Ç뽫ËùÑ¡ÏîÇ°µÄ×ÖĸÌîÔÚ´ðÌâÖ½Ö¸¶¨Î»ÖÃÉÏ. £®£®£®

1(1) µ±x?0ʱ£¬Èôln(1?2x)£¬Ôò?µÄÈ¡Öµ·¶Î§ÊÇ( ) (1?cosx)¾ùÊDZÈx¸ß½×µÄÎÞÇîС£¬

??? (A) (2,??) ¡¾´ð°¸¡¿B

(B) (1,2)

(C) (,1)

12

(D) (0,)

12ln?(1?2x)(2x)??lim?lim2?x??1?0 ¡¾½âÎö¡¿Óɶ¨Òå limx?0x?0x?0xx ËùÒÔ??1?0£¬¹Ê??1.

4