2022年湖南省各地高三六校第一次联考数学试卷含解析

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9|:••'Fhl=2pM|,=MF=-'^caHMFh+lMFj,tanMF^Fj὚F|M4+|M-~_4C26M*+|Mᴈ6|MFjv|MF|_^F]=2a,4a2|(Mf.IMF|)2|MFf_2|MF||MF|+|MF|2,12|MFJ°-2~὜=t2'ᑣ"YKlt{f(t)=t+:"t)=1_LtQ(t+ߟ-i)ᡠt>2f't
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8X6Ḅ¢ᦪ᪷¤Q⚗¡XX4X0>1ᐸ§.ூ¨௃•••x+-12
4=X^2—194=ᡠ:X+-_2
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8X6Ḅ¢ᦪG:X_198XX4X4X

10X6Ḅ¢ᦪC2.(ߟ1)2=C2=28,88¡X2Ḅ¢ᦪC2=288ᦑᫀ28.ூab௃⚪ὃ"Q⚗¡Ḅᱯ$⚗Ḅ¢ᦪᐵᙠ)r¬⊤ᓄ®r⚗Ḅ¯Ḅᓄ0>ḄQ⚗Ḅ,()*Ạ⚪.15.°+1ூ᪆௃±²³¡´µ¶ḄeᦪUᔠ>1p§.ூ¨௃ᵫsin(2a+b)=psinb,1sin[a+(a+b)]=psin[(a+b)—a],:sin(a+b)cosa+cos(a+b)sina=psin(a+b)cosa—pcos(a+b)sina,ᓽ(p—1)sin(a+b)cosa=(p+l)cos(a+b)sina,:(p—1)tan(a+b)=(p+1)tana,Htan(a+b)=ptana,:"1Qp,1pQi·¸.p—1p#Ḅ¹ᦪp=6+1.ᦑᫀ°+1.ூab௃⚪ὃ"´µ¶Ḅeᦪὃ"ᦪjᓄº»¼|()᫏⚪.16.31ூ᪆௃a~a=aqn-i,a2=a0ᓄazq4=aq4,1a=1,a=4—2a=2,q="^=2,n13511121a1s=q(ᵬ)=3151-qஹ⚪ᐳ70ᑖ஺hᑏ?ᦻÃÄÅஹÆÅÇᡈÉÊËÌ஺17.(1)ÆÅÍ᪆Î(2)ÆÅÍ᪆.

11ூ
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௃(1)Ô2a+1=a+a+1>Õᳮᨵ2b+1>2c+1>^C2»:.(2a+I)(2b+1)(2C+1)>2i/3a2b2c2=27..,±t×ফ•:(a+b)2=a2+2ab+Ö>4ab,•G+/ஹ4.ac1be1Õᳮᨵ(a+c)2‘ஹ4(b+c)2‘ஹ4Ka(b+c»G+c>cG+b>_abc+abc+abca(b+c)2b(a+0)2c(a+b)2_beacab++G+c»G+c»G+b)2“1113ᐳ_+_44441ூab௃⚪ὃ"ᑭᵨᙳ§Ñ²ÆÅѲÙ&1Ḅᝯᵨ(Ûᔠឋ᫏⚪.18.(1)a=-6n+3,b=2e.(2)¨Í᪆.nnூ
᪆௃পÝn=1a=S=-3,Ýn>2a=S-S=-3m-Þ3(n-1)2]=-6n+3,n1nnn-1Ýn=1ßàáa=-6n+3,a=-6n+3,,²âᦪᑡbbb=b2,nnn132/.bbb=b3=512äb=8,HÎa+b=a+b,1232211338-1-3+—=-15+8qåq=2ᡈq=--(æç)q2:.b=bq2=2ᵨ.n2

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