河南省八市重点高中2016届高三数学下学期第二次质量检测试题理(扫描版)

1、XX省八市要点高中2016届高三数学下学期第二次质量检测试题描版）理（扫XX1.2.3.4.51.B2.C3.A4.C5.A6.D7.C8.B9.C10.C11.C12.A513.-214.42622n3)2n1615.416.(n33sinA+sinB=cosA+cosBsinCa+b=b2c2a2c2a2b2c22bc2caa+ba2+b2=a+bc2a+b0a2+b2=c24.=906ABCCa+b+c=1+2a2+b2=c21+2=a+b+a2+b22ab+2ab=2+2aba=bab2.82ABC=1122S102ab22ABC1124Axyz18.ABADAP(1,0,0)(1,1

2、,0)(0,2,0)(0,0,2)2BCDPADPABADPABAD(0,2,0)2)2)PC(1,1PD(0,2PEDm(xyz)mPC0mPD0 xy2z0,2y2z0.y1z1x1.(1,1,1)4mPCDcosADm3ADm3|AD|m|3APED360,2)(01)BP(1,0,2)BQBP(1,0)CB(0CQCBBQ(1,2(02,2)DPCQDP12.cosCQDP2102|CQ|DP|12tt1,3622t2298cos2CQDP5t10t915220109t9992310t55|cosCQDP|10.ycosx0CQDP10222225BP125BQ5BP51219.133

3、3P13314270,1,2,3P010)C51(35322431111P(1)C5334802432P(2)C521133380243131211(3223)C3C31C43333178180123P3280801724324324381121313213.1032808017131E()2430243124328138112202a6a3,2a2b24b252x2y24915AF1yk(x2)A(x1,y1),A1(x2,y2).yk(x2)522022xyk29yy25019k525k2y1y220ky1y2559k29k2AF12BF2y12y2y1y2k3.AF1y3(x2)AA1B

4、1BSAABB2SAAF2F1F2y1y2101114y1y2(203)24327515382AA1B1B15312221.f(x)11x.x1xx(0,1)f(x)0 x(1,)f(x)0,f(x)011+f(x)maxf(1)0f(x)0.3mx22mx12x1lnx1x2lnx20mx22x2lnx2mx12x1lnx1(x)mx2xlnx0 x2x1,(x)(0,+)(x)mxx0(0,+)2m1lnx5=2+1+lnxt(x)=1lnx,t(x)lnxxx2t(x)011+t(x)mint(1)1m1,22x1lnx1x2lnx2072mx2mx11=(1an)an111:11=11

5、1a11an12an2=+22a22anan1n11n2n11=an=.92n1an1212eSn2n110an1x0 x-1lnxx-1xln(x+1).0,anln(2n1(2n1)-ln(n11)an+1)=ln=ln22n11Sna1a2anln(211)-ln(201)+ln(221)-ln(211)ln(2n1)-ln(2n11)=ln(2n1)-ln(201)=ln(2n1)22eSn2n112OAOA=rABFOFOFAB,AB62,PA42,AF32PB22,FP2.2OP3,RtOFPOF2OP2FP2927,4RtOAFr2OA2AF2OF2(32)2725,6r5CACBCADB又BECADE8,ACECADCEA1023.P2,32cos3,2sin1,323lcos61cos3sin6.32lx3y1204Pl131245d2lCQ(33cos,3sin)6Qx3y12033cos3sin126cos6128d22cos61dmax91024.a=1x1x1122x-1,1xx11,31,