2022年内蒙古呼伦贝尔市满洲里市高考数学三模试卷（文科）（附答案详解）

《2022年内蒙古呼伦贝尔市满洲里市高考数学三模试卷（文科）（附答案详解）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

2022ᑁℳὃᦪᔁᦻஹᓫ⌱⚪ᜧ⚪ᐳ12"⚪#ᐳ60.0ᑖ1../0ᔠ4={-2,0,2},B={x\x>-2],ᑣ4nB=()A.{2}B.{0,2}C.{-2,2)D.{-2,0,2)2.;ᦪz=(l+2i)z=3-i,ijzḄDEF(),7C7.—7•A.--B.--iC.-iD?3,GsinI-a)=-$ᑣcos(?r-2a)ḄPF()A—25B—2—5c—25D-4.GQ=(2,—6)#B=(2sinS2cosSTᑡVWḄX()A.b//(a-b)B.b1(a-K)C.[ᙠ[[ᔣ^Ḅᢗ`XaD.(a+K)l(a-K)5.Gᙊeᙠxg^ஹhiFḄᙊ஺klygno#pqrsx+2y=0tᑗ#ᑣᙊ஺Ḅ[bX6.᝞w#xyz^"V[{Ḅ|}F1,~sḄX┵Ḅw#ᑣ┵ḄFA.6B.9C.?D.3

1%—y—2<07.#y=ᩩ2x-y+320,ᑣ◫ḄPX()x+y<0A.[-4,1]B.[-3,-]C.(-00,-3]U[l,+co)D.[-3,1]8.rsx=tqᦪ/Q)=2K,g(x)=^SḄwᑖl¡M,N,ᑣ|MN|Ḅᨬ"PF()A.¦+§2B.3/n2-1C.5-1D.19.¨©ª«⍝⌱⚗FABC஺Ḅ⌱®⚪#¨©¯ª°±᝞Ta²aᡃ⌱Aa´aᡃ⌱BCDµ¶Ḅ©a·aᡃ⌱C¦¸aᡃ⌱D¦¨©ª¹ª⌱º©⌱⚗#»pᔜ½t¯#ᐸ¶¿ᨵ©ªÁÂ#ᑣÁÂḄªÃÄXÅÆ()A.²#´B.´#·C.·#¸D.¸#²10../ᙊCa(x-2)2+y2=1,rsZFÈÉ¡ÊËḄÌrs#ᑣÍ“rs2qᙊCᨵÏᐳ¡”ÑÒḄᭆ᳛F()A.7B.-C.;D.\303611.×#BᑖXØᙊCaÙ+3=l(a>b>°)ḄnஹÜᯖ¡#rs#ÞᵨØᙊclA,Bà¡#yglC¡#G=ὡÆ=|âpNC6ã=30°,ᑣØᙊḄäe᳛F()A.4B.?C.¦D.\363b12../ᦪ/(x)=/å+e¦r—a(sinx+cosx)ᨵçè¡#ᑣa=()A.;B.YC.V2D.1åஹêë⚪(ᜧ⚪ᐳ4"⚪,ᐳ20.0ᑖ13.᡻í᝞wᡠïḄbð᪾w,GòᐭnḄPF3,ᑣòiḄPF.ô2⚓#ᐳ18⚓

214.Gᦪ/(x)=3+^^>2(a>0p&*1)ḄPøX
4,+8),ᑣùᦪaḄPX.15.ᙠúABC¶#û4ஹBஹCḄ°|ᑖüijXaஹb,c,bcosCcosA+ccosAcosB=?,ABCḄ☢FK#ᑣ:+ÿᨬ
.16.ABC஺-41&GD1Ḅ2,NDO1ḄMCC\ḄPᙠ☢Ḅ.জBE)11☢4Ḅ஺ঝ!☢4P"ᡠᡂḄ%'(Jঞpᑮ+☢&G஺Ḅ,-./@AM+MNḄᨬ
g.2ஹ45⚪(8ᜧ⚪ᐳ7
⚪ᐳ82.0ᑖ)17.ᦪᑡa?@nSᦪᑡaḄA?i⚗Da=4bS=2a-2,nb-nnn2vnnn+1(n+l)Z?=n2+n(nGN*).n(1)EᦪᑡaḄF⚗GHn(2)IJ*/LᦪᑡMEᦪᑡ(-1N"OḄA2n⚗D.18.PDᢣRSஹTᡈVWXYᙠZ.[\ᑁ^ᡈ\^_`Ḅabc᣸efgFhi᪛⌼᪍ஹ⁚no᣸/pHqrst_`ḄuvᓄP᣸exyuvᓄPḄ“{᣸e”.P}~ᢣP᣸eᐭ+ᐭ+▤.ᓫᙢuvᓄP᣸eg“ᦈq”.ᙠᓝὶᔠᜧ“s¡¢£¤¥¦§¨ᨵ£ḄªD«¬uvᓄP᣸e£®2030¯A}ᑮ~°£¦2060¯AxyPDI.”o±P᣸exyPDWW²³Z´£.µ¶ᦪ¶ᦟ¸¹º»¼½⚪“¾¿cᮤÁÂḄᨬÃ%¤”Ḅᦪ¶ÄÅÆ.xÇᎷÉজÊ»ZËÌᨵÍÎÏÐ8ÄÅḄÑgÉ.¿cᵨg"ÁÂḄÁÓ%¤ᐸÕÏÐᎷÉZ᪵ঝᵫ`ÆØÙÁÓ%¤Ú
ᡈÚᜧZËÌÛÜÝnÊ»ᡈ⌼ᡂ¿cÞßÏàÁÓ%¤É.ᙠ10஺ᑮ90஺\ÄÅxÇ⌱¦5Vâ⊤ឋᦪå18°,36°,54°,

372°,90°.µᦪ¶ÄÅæᦈ罓ʻZËÌ”ḄxÇᦪå᝞⊤:⚗ê»ëÊÌ[¿c⊤¤ᦪÌÊ»[¿c⊤¤ᦪ/dm3ÁÓ%¤/dm318°9080921036°8958908054°8819895872°8670881990°84988670ìx⊤íÁÓ%¤y⊤í¿cᵨg.(1)ᵨᑡ⊤᦮ᳮᦪå(x,y)%(ÁÓ%¤¤)1836547290y(¿cᵨgdm3)(2)Ꮇ.x,yឋᐵòEóôõ;÷(øùYúûüᑮ
ᦪ2ý)(3)ᨵæᕒᵨuÿᦪᑮḄᦪᐵ;=1.903x10-2/_1.472%+150.33.ᙠᵨᨬḄ!"#$.%ᵨ&ᐵᢣᦪR2ᑖ᪆*+ᦪ,-ឋ/012ᔠᦔ5678(:;<=>5?@ᑮAᦪBCD)FὃᦪH:2JK=712,XJ(/-£)(%-9)=1998,ᒨ=i(x—)2=3240,RST%-UT=1501.2,-ឋ/0*=T%—ᨴYx269.1,*+ᦪZ=T[\Y«196.5.-_o2-1_Fὃ^T;b=`U19,A=_aaLx)za=y-bx,119.᝞cde┵P-ABCOg☢PADijk#lmᚖopq☢A8C0,AB=BC=\ABAD=J4BC=90஺E4஺ḄB.(1)st:PELAB$(2)uvP40☢wxB஺ᑮ☢PACḄyz.{4⚓ᐳ18⚓

420.~ᙊA;(x+2)2+y2=9,ᙊB;(x-2)2+y2=1,ᙊC,ᙊ4ᙊB᜜ᑗ.(1)ᙊCḄE(2)uBBm᳛kḄo-,E,"ஹNB-MNḄᚖoᑖ-x,BP,stᘤḄ.21.~ᦪ/()=(஺K+6)/-y=/Q)ᙠB(-1,/(1))ᜐḄᑗ-x—ey+1=0.(1)a,b\(2)uxN-2/c/(x)>i%2+2x+l,ᦪkḄ.22.ᙠo#ᙶ᪗xoyᙊCḄ;x2+y2-2x=0,᝞fcPᙊC¡¢B.(1)£o-0PḄ¤#஺Fᦪᑏ¦ᙊCḄFᦪ()(2)§BPḄᙶ᪗(x,y),x+yḄᨬᜧ.~f(x)=\2x-a2\.(1)©a=1ªiT/(+|x+l|>3Ḅ¬;(2)u®p¡¢ᦪ¯,ªiT|2±-3|-/(x)<2aᡂ³ᦪaḄ.

5´ᫀ¶¬᪆1.ூ´ᫀ௃Bூ¬᪆௃¬;•••ᔠ4={-2,0,2},B={x|x>-2},AC\B={0,2}.ᦑ⌱;B.ᑭᵨÇoȬ.É⚪ὃËᔠḄÌ=ὃËÇஹªiTḄឋÍiÎẠÐὃËÌ=¬ÑÒ,ÎẠ⚪.2.ூ´ᫀ௃Aூ¬᪆௃¬;•••(l+2i)z=3T,...Z==TOW)1_7="l+2i(l+2i)(l-2i)55,ZḄÙÚ£ᦑ⌱:A.>ᔠÙÚḄÇ£ÛÜᦪḄÌ=Ýᑣᓽà¬.É⚪á⌕ὃËÙÚḄÇ£ÛÜᦪḄÌ=ÝᑣãpÎẠ⚪.3.ூ´ᫀ௃Bூ¬᪆௃¬;;sing-a)=—B:.cos(7T—2a)=1—2sin2g-a)=1—2xj|=—ᦑ⌱;B.ᵫ⚪¢ᑭᵨ*í#Ḅîï^T<=>5.É⚪á⌕ὃË*í#Ḅîï^TḄðᵨãpÎẠ⚪.4.ூ´ᫀ௃Cூ¬᪆1¬;ñò=(2sin92cos$=(1,6),ᡠ£k=(1,26)1+ò=(3,0)®pÒñ1x(ߟ2x)+x1#0,ᡠ£A┯û®pB,ᵫ஺(W-B)=lxl+ýx(—28)ÿ0
J.(ᡂ
ᓽB┯6⚓
ᐳ18⚓

6C,ᙠᔣḄᢗ!"|N|cos<)
b>==-1,ᓽC-.0,ᵫ01+3402—E4=3xl+0#0,0;+4J.04ᡂ
ᓽ஺┯.ᦑ⌱?C.᧕=01,64
᪷CD☢ᔣFḄGឋIᦪFKḄᙶ᪗NOPᑣ
⌲ᑨT⌱⚗
ᓽV.W⚪ὃZD☢ᔣFḄNO
[\]^D☢ᔣFḄᙶ᪗NO
ᢗ!Ḅ_`"a⚪Ḅᐵc
ὃZNOdaef
ghẠ⚪.5.ூlᫀ௃Dூa᪆௃a?pqᙊ஺syuvw
xᯠ4ஹC|
0-5,04ᑮ~Gx+2y=0Ḅq.ᦑ⌱D.ᐜᙊ
᣸◀4ஹC,ᙠ8ஹ஺⌱~Gx+2y=0ᑗᓽV.W⚪ᵨ
Palᮣ.VᦪᔠP
~.6.ூlᫀ௃Dூa᪆௃a?᪷C¡Ḅ¢£¤¥ᣚq~§¤
¨¡ᵫ©ª┵¡A-BCDEᑗ®¢ª┵¡A-BCD.᝞¤ᡠ±?ᦑ?V=ᔾ-BCDE—%-BCD=,x&x02+34x2x3--x-x2x2x3=3.ᦑ⌱?D.✌ᐜµ¢£¤¥ᣚq¡Ḅ~§¤
¶·ᑭᵨᒘ⊡PḄ»ᵨd¼¡Ḅ¡K.W⚪ὃZḄ½⌕¿?¢£¤I¡Ḅ~§¤ÀÁḄ¥ᣚ
¡Ḅ¡KÂÃ
Ä⌕ὃZÅÆḄNOefIᦪÅÇÈef
g᫏⚪.

77.ூlᫀ௃Dூᑖ᪆௃W⚪Ä⌕ὃZGឋÌᑜḄ»ᵨ
ᑭᵨ~GÎ᳛ḄÐ`"aÑW⚪Ḅᐵc.Ò¼ÓÃÔ»ḄD☢ÕÖ
ᑭᵨ~GÎ᳛ḄÐ`
ᔠᦪᔠ¶×daᓽV.ூal௃a?Ò¼ÓÃÔ»ḄD☢ÕÖ᝞¤:ᑣÙḄÐ`"ÕÖᑁḄ¿ᑮÛ¿P(-6,-4)ḄÎ᳛,ᵫ=0Þ=T
y=1,ᓽà1,1),ᵫÞ=—5
y=—7
ᓽ6(-5,-7),ᑣAPḄÎ᳛k=^-=l,BPḄÎ᳛fc=^ߟ=-3,ᑣäåæè"[-3,1]XTOᦑ⌱D.8.ூlᫀ௃Aூa᪆௃a?ìM(t,2t2),N(t,lnt),ᑣ|MN|=J(2ì
nt)2=2t2ð>0(pqInt0,ᑣh'(t)=4t_,=(2t+?(2tT),᧕ùᦪh(t)ᙠ(0,)ᓫû⌴ý
ᙠ(,+8)ᓫû⌴þ
Karnin=ò©)=+m2.ᦑ⌱:A.M(t,2t2),N(t,lnt),ᑭᵨḄ|MN|=h(t)=2t2-Int,t>0,!ᑭᵨ"ᦪ$%ᦪh(t)Ḅᨬ()ᓽ.+⚪ὃ.ᑭᵨ"ᦪẆ0%ᦪḄᓫ2ឋ4ᨬ)5ὃ.Ḅ5ὃ.6789:,;8⚓5ᐳ18⚓

8>?@᫏⚪.9.ூDᫀ௃Cூ8᪆௃8IᎷKLMNO5ᑣKLMQ⌱A,STLM⌱C,ULM⌱D,WLM⌱8,Yᩩ[\]^_^⌱`a]⌱⚗5cdᔜQfL5gh5ᦑKLMiᨵNO5᣸◀4DnWLMNO5ᑣWLM⌱A,SKLM⌱A,Yᩩ[\]^_^⌱`a]⌱⚗5cdᔜQfLgh5ᦑWLMiNO5nKLM⌱4,WLM⌱஺5TLM⌱C,ULM⌱B,ᑣqrᩩ[5LsᨵdtᨵULMNO5ᦑ9NOḄLMuTLMvULM5ᦑCwx.ᦑ⌱IC.ᎷKLMNO5ᵫᩩ[xz{ᔲ}ᙠqrᩩ[Ḅ⌱5ᵫᑨᐸ{ᔲNO5!LᳮᑨᐸLM{ᔲNO.+⚪ὃ.NOḄ^9{Ḅᑨ5ὃ.ᓫḄᔠᳮẠ5ὃ.ᳮ9:5{Ạ⚪.10.ூDᫀ௃Cூ8᪆௃8Iuy=kx,ᵫ5YᙊCᨵᐳ5ᑣ(2,0)ᑮ/Ḅ(??1,ᓽᓽaWkW¢5ᓽ1Ḅ£¤¥Ḅ§uU©,ᐔ)5ᓽ«[“IYᙊCᨵᐳ”¯°Ḅᭆ᳛u³⁐µ¶=·57T-03ᦑ⌱IC.ᐜ$qrᩩ[Ḅ1Ḅ£¤¥Ḅ§5!¹ᔠº»ᭆ¼@Ḅ¥½¼8ᓽ.+⚪ὃ.`º»ᭆ¼@Ḅ¥½¼5>Ạ⚪.II.ூDᫀ௃4

9ூ8᪆௃ூᑖ᪆௃+⚪ὃ.¿ᙊḄᓫឋÀḄÁᵨ5Y¿ᙊḄÂÃᐵÅ5>?@᫏⚪.ᑭᵨÆᩩ[$CY4Ḅᙶ᪗5ÉAḄᙶ᪗Êᐭ¿ᙊᓽ$¿ᙊḄÌ᳛.ூ8D௃8IÍ5uᑖÎ{¿ᙊCI,+5=l(a>b>0)ḄÏஹÑᯖ5Fi(-c,0).5ÓÔÕ¿ᙊC?4,B5ÕyÖ?C5nqr×=|Ød“Ùe=30°,Ú0Û),4(“),ᑣ(c,yc)=|(-c-x,-y),84(aÜa;c).I2+—=1ÝÞ9a2,81ᓃ21ᓽI⊤2+á=15ee(o,l)•8e=§.ᦑ⌱IA.12.ூDᫀ௃Cூ8᪆௃8I34(X)=e"1+e~x—a(sinx+cosx)=0,ᑣe"a`+e^~x-yf2asin(x+-),4âx+-=t,ᑣe5+e-t=y/2asin(t+~)=>/2acost,ãg(t)=e5+e-55äijg(-t)=e5+eT•g(t)=g(-t),ᡠÚg(t){Ꮤ%ᦪ5çèᐵ?yÖéê5ëu/(x)ᨵìaḄí5ᡠÚíî9{1=0?{yf2a=2,ᡠÚa=>/2.ᦑ⌱IC.ᣚᐗÍ5᪷ò%ᦪḄéêឋ5g(t)=N+e-t{Ꮤ%ᦪ5᪷òîᨵa]í5î9ᙠéêÖḄᙢô)5ᓽ8.;10⚓5ᐳ18⚓

10+⚪ὃ.`%ᦪḄíஹ᜻Ꮤឋஹéêឋ5>?@᫏⚪.13.ூDᫀ௃4ூ8᪆௃8I᡻á᝞çᡠøḄù᪾ç5nûᐭnḄ)u3,ün=3s5n{᜻ᦪ5n=3+1=4>i-2ün=4s5nQ{᜻ᦪ5n=(=2,i=3ün=2s5nQ{᜻ᦪ5n=1=1,i—4qr⌨$þÿḄᩩᑣiḄ4.ᦑᫀ4.ᵫḄḄᑭᵨ᪀!"#$iḄ%&Ḅ'()ᑖ᪆ᔜ#$Ḅ#ᓄ./0ᫀ.2⚪ὃ56᪾8Ḅ9ᵨ:⚪;⚪<9%&᪾8Ḅ'()=>0?@ḄABẠ⚪.14.ூᫀ௃(1,2]ூ;᪆௃ூᑖ᪆௃2⚪H⌕ὃ5ᑖJKᦪḄ9ᵨMᦪKᦪḄᓫOឋQᱯSTUV᫏⚪.XxS2<YZ[\/(%)24.Xx>2<ᑖ]^AaḄ`abKᦪḄᓫOឋc0aḄ`dᔠ0A.ூ;௃;fKᦪ/(%)={3+^^f2g>°j0k1)Ḅm4+~),ᦑXxW2Bn[\f(x)=6-x>4.Xx>2</(x)=3+logxaজpa>l,/(x)=3+logaXᙠrḄstmuᓫO⌴wXx>2<ᵫ/(x)=3+logx24,0logx>1,log2>1,1

11ூ;᪆௃;ᵫbcosCcosA+ccosAcosB=02sinBcosCcos4+2sinCcosAcosB=simA=sin(B+C),•sinBcosC(2cosA-1)4-sinCcosB{2cosA-1)=0,:.(sinBcosC+sinCcosB((2cos/-1)=0,sin(B+C)(2cosA-1)=0,:.sinA(2cosA-1)=0,17T2cosA-1=0,"'-cosA=02=1,Xc=b=2<.bc7beᦑᫀ1.ᵫ?sᳮ0sinA(2cos4-1)=0,c4,ᵫ☢0be=4,cᨬ.2⚪ὃ5?sᳮḄ9ᵨὃ5B2{Ḅ9ᵨU᫏⚪.16.ூᫀ௃জঞூ;᪆௃;:ACLBB,111BஹD[,BB]u☢BBMiBDDBB=B1,11tᡠ=AiGJ■☢BB/iBDiu☢BBMiᡠ=4iC[_LBDiᳮAiDLBCiAC4iDu☢&GD,41Ḅ041஺=41XVᡠ=BA☢ACm,জ?@f44J/DD1ᡠ=u/k஺☢4P஺஺1Ḅᜳ,XP'ᑮXḄ¡¢<£414P=AAAB=45°,11ᡠ=☢APDDiᡠᡂḄ`{ᵫJঝ┯f¦CBit:(t☢AG஺,&Du☢§12⚓ᐳ18⚓

12ᡠ=BiC஻☢&CMᡠ=TPᑮ☢&q஺Ḅ±²VT³ᑮ☢4Ḅ±²,µTB1ᑮ☢&G஺Ḅ±²d,ᑣ%1.A1C1D=§S4Ale1஺£/1-A1C1D=%Á4]C1B1=gS—iCiBiDDl=-x2X2=",S4CD=#1஺.A11ACsin600=2A/3>11ᡠ=;=fx2Éxd,ᡠ=d=§ঞMf᝞8Ë?ÌÍ஺CgDiÎCCiÏÐᑮ☢ACC/iᐳ☢Ḅ¡¢ᵫ80AM+MN24N,XjÓXkM,NÔTᐳ<,4c=2V2,CZ)=2,DN=1ᡠ=4M+MNḄᨬJ13+8/ট┯•ᦑᫀজঞ.ᑭᵨ☢ᚖᑨssᳮᑨß᪷b☢ḄᜳḄstᑨßᵫáâcTPᑮ☢Ḅ±²ᵫäᑨßåc4M+MNḄᨬᑨß.2⚪ὃ56æáçèḄdᔠ9ᵨUV᫏⚪.17.ூᫀ௃;(1)Xê=1<a=Sj=2a-2,ᡠ=%=2,xxXn>2<a-S-S_-2a-2-(2a_-2)=2a-2a_,nnnxnnxnnrᡠ=ï=2ᓽ_1ᡠ=ñò=2✌⚗2õöḄöᦪᑡ

13ᡠ=a=2ê56N*).n(2)Xn=1᫏⚪.18.ூ@ᫀ௃2(1)᦮ᳮᦪD᝞F:HIJKL2L)1836547290y(MNᵨO2130122139149172dm3)x=54,y=142.4,ba=142.4-0.6167X54=109.0982=109.098)ᦑQRSTUVy=o,617x+109,0982(3)x=-38.7°,ᓽIJKXV38.7஺YZ[\]MNᵨOᨬ_;.121.9(a3).QRSbcdeᦪfᔠhὅᐵYjᐵᢣᦪᑖlVmᰦᑣRg=1-«0.82x0.8,/??=1-x0.87x0.9.,711501.2/1501.2oVpqᵨᡠscdeᦪfᔠᦔuvw.x14⚓ᐳ18⚓

14ூ᪆௃(1)᪷D⚪>ᦪD|⊤ᓽ~#(2)᪷D⚪>ᡠḄᦪD(!"ᓽ~#(3)᪷D⚪>ᡠḄ!"ᔠᡠḄeᦪᐵᑨᓽ~.*⚪ὃ-SឋQRTUὃ-45Ḅ6789<=>᫏⚪.19.ூ@ᫀ௃2(1)┵P-4BCD>☢PADVKᚖ=☢4BCD,ᙠKPAD>EV4஺Ḅ>1ᡠsPE14D,,••☢PAD☢ABCO,☢PADn☢4BC0=AD,7.PE1☢ABCO,ABu☢4BCD,•••PE1AB#2(2)TAPAD☢¤Vd4஺=2,PE=:,;AB=BC=^AD,/.BAD=UBC=90°,AB=BC=1,ᙠ¦P4C>PA=2,AC-V2>PC=2,ᡠsSAPAC=#xACxᔙ=2x&x=ᙛSAACD=£x9஺x4B—1,±1஺ᑮ☢9CḄ³´Vµᑣ/-Ac஺=]xSA.CDxPE=-xSAP4cxh,•••h:>,ᓽ1஺ᑮ☢PACḄ³´Vx.ூ᪆௃(1)ᵫº☢,PA஺_Lº☢ABCO,᪷D☢☢ᚖឋ½¾ᳮPE_Lº☢48C0,ᵫÀPE1AB,(2)᪷D┵ÁÁ¤!"ᔠÁ¤&1஺ᑮ☢P4CḄ³´.*⚪ὃ-ÂSSᚖḄ(1ᑮº☢Ḅ³´<=>᫏⚪.20.ூ@ᫀ௃2(1)ᙊCbᙊ4ஹᙊB᜜ᑗ,±C1ᙶ᪗(x,y),ᙊCÊËVr|G4|=r+31cBi=r+1ᡠs|C4|-|CB|=2.ÑᔠHÒS¾Ó2c=4,c=2ᡠsᙊÔCḄÕÖVHÒSḄ×2a=2,a=1,ᑣ6=V3.ᡠsᧅÛ=l,xe(1,+8).(2)Þ18ß᳛4ḄSbEábMஹNh1±SVy=k(x-2),M(X1%),W(x,y),22(y=k(x-2)ὶé,V,ᡠs(3-/£2)%2+Õ2X4ê2—3=0,

15_-4ë2X]+%2—3-k2ᡠs-(4/+3)
=3-k2±MN>1ᙶ᪗VEᑣEìí)ᡠs|MN|=Vl+k2\x-x\="+k2J(xஹ+%2)2-4%I%2r2=VTTP,(*)2+S+3]=îS-Mᓝ3-fc23-k2SpMNḄᚖºᑖSáðñb1P,SEPV2y-ញ=_*(x-ó)ôõ=0Y,P(ö0)ᡠs|PB|=|÷-2|,6++Mᡠs^3—k21.I8k2E-2ூ᪆௃ù1ᑨᙊÔCḄÕÖVHÒSḄ×a,b,ᓽ~úᑮÕÖTU.y=fc
x—2{2_ᱏ=ü,ᑭᵨýþ¾ᳮ,3-±MN>1ᙶ᪗VE,ᑭᵨÿ
|MN|,ᯠ|PB|,ᓽ.⚪ὃḄᐵḄᵨ!"Ḅ#$%᫏⚪.21.ூ(ᫀ௃+(l)f'Q)=3+a+b)e3ᵫ-.ᨵ+f(-l)=;,01=-14ᐭ%-ey+1=08y=0,ᡠ:/'(-1)=(-Q+=0,ᓽ(1=>?ᵫ/(-1)=ᓝ8b=l,ᦑQ=b=1$(2)ᵫ(1).,/(%)=(x+l)e\kf(x)—(1x2+2x+1)=k(x+l)ex—1x2—%—1>0(%>—2),DE=-1FGHIᡂK,DL2Wx<-lFGHIᓄN2kWPQ,X2+4X4-2D4>-1FGHIᓄN2/cN/஺+1)7+4X+2-x(x+2)2TUVXX,h'(x)Y(X+1)ex(x+l)2ᑣh
xᙠ-2-1\]ᓫ_⌴aᙠ0,+8X]ᓫ_⌴b,116⚓ᐳ18⚓

16ᡠ:DxGF,h(x)kᑮᨬnU(2)=2e2qDxe(-1,0]U[0,+8)F,h(x)kᑮᨬᜧU(0)=2,wxyz5f2,8iwk«e2,12/c>2ᦑ%Ḅk$஻2].ூ᪆௃(1)ᦪᵫ.8ᑮᙠx=-lᜐ8ᑮᙶ᪗\᳛4ᐭᓽ8q(2)✌ᐜGHIᑖᑖ82k<¡¢ᡈ2k>¤¥?¦v*I«*v*T*XJv*I4"T*XJᦪᨬᓽ.⚪®⌕ὃᑭᵨᦪẆ²ᦪᨬ³´%᫏⚪.22.ூ(ᫀ௃+(1)PNᙊC]¸¹Lº»P(x,y),OP¾Np,ᑣᵫ⚪8À=Pcos',ly=psint?PÆᙠᙊ],ᑣ(pcos6)2+(psiᙠÇ-2pcos0=0,ᨵ஺=2cos9qᑣÈÉE஺ᓽÈË‘ᐸ%஺Nᦪ஺ᐔiy—LSlrluCOSuiy—Sul£.u(2)x+y=2cos20+sin26=V2sin(20+Ñ)+13ᓄN(2x-l)+(x+l)>3,8x21,ᓽx21qDL13ᓄNL(2ä-1)+(x+1)>3,8x<-1,åFæqDXW-1FHI/(ç)+è+1|23ᓄNL(2é-1)L஺+1)23,8xW-l,ᓽx<-1qê].HIf(x)+|X+1|<3ḄëNìx|x4-1ᡈx21);(2)îNHI|2x-3|-/(x)<2aᓄN|2x—3|—|2x-a2|<2a,

17ï|2x-3|-|2x-a2|<\(2x-3)-(2x—a2)\=\a2-3|,ᡠ:HI|2x-3|-/(x)<2aᓄNð2-3|<2a,ᓽ—2a0,81