【文档说明】山东省滕州市第一中学2022-2023学年高二2月质量检测 数学试题答案.pdf，共(9)页，741.394 KB，由小赞的店铺上传

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高二年级质量检测2511y=4390xy−−=24710xy++=（答案不唯一）229xy+=;18C22450xyx+−−=22(2)9−+=xy(2,0)C3r=ABCP10132CPk−==−1ABk=−AB1(1)(3)yx−=−−40xy+−=22nnnSaa=

+1n=2111122aSaa==+0na11a=2nnN22111222nnnnnnnaSSaaaa−−−=−=+−−221111()()nnnnnnnnaaaaaaaa−−−−−=+−=+10nnaa−+11nnaa−−={}na11nan=21

1111()(2)22nnaannnn+==−++2013192420()()Tbbbbbb=+++++++1111111(1319)()224462022=++++−+−++−10(119)111()22222+=+−510022=

+220522=1AA⊥ABCABACABC1AAAB⊥1AAAC⊥ABAC⊥1(0,0,1)A(1,0,0)B1(1,0,1)B(0,1,0)C(0,,1)Ma([0,1])a(1,,1)BMa=−1(1,0,1)AB=1110110B

MABa=−++=1BMAB⊥BCM(,,)xyz=n(1,,1)BMa=−(1,1,0)=−BC00BMBC==nn00xayzxy−++=−+=1x=(1,1,1)a=−n1

ABBCMπ4111|cos,|||||||ABABAB=nnn222|11|22211(1)+−==++−aa12a=1(1,1,)2=nCAA1C1B1BxyzM1(1,0,1)AB=−1ABCM12221|1

|123111()2|||−===++ABdn|nADOOPOBABCD//ADBC2ADBC=ODBC∥ODBC=OBCD//OBCDCD⊥PADOAOPPAD⊥CDOA⊥CDOPOBOA⊥OBOP⊥PAD△OADOPOA⊥OOAOBOPxyz(1,0,0)A(0,2,0)B(1,2,0)C

−(1,0,0)D−(0,0,3)PCABPDyzxEFO全科试题免费下载公众号《高中僧课堂》13(,0,)22E−3(0,1,)2F33(,0,)22EA=−1(,1,0)2EF=AEF(,,)=xyzn0,0.=

=EAEFnn330,2210.2−=+=xzxy2x=(2,1,23)=−nPAD(0,2,0)DC==mAEFPAD||17cos|cos,|||||17===mnmnmnAEFPAD

1717G),2,3(PGPC==−−[0,1](,2,33)G−−(1,2,33)DG=−+−DG∥AEF2(1)223(33)0DG=−+−+−=n4=5PCGDG

∥AEF45PGPC={}na11aq31121208aqaqaq+==12=a2=q132=a12=q2nna=2nm2lognm1m=10b=1[2,21)kkm+−mbk=kN1234573233

5050()()()=+++++++++++Sbbbbbbbbb0122438416519=+++++193=0(,)Pcy221ac=+201||PFya==2112||1sin||3PFPFFPF==13||PFa=21||||2P

FPFa+=132aaa+=2a=2212xy+=l13ykx=−221312ykxxy=−+=22416(21)039kkxx+−−=11(,)Axy22(,)Bxy12243(21)kxxk+=+122169(21)xxk=−+222166464Δ(12)160999=++=+

kkk(0,)Mm11(,)MAxym=−22(,)MBxym=−0MAMB=1212()()0xxymym+−−=1122)11(3()30xxkxmkxm+−−−−=22121211(1)()()()033kxxkmxxm+−++

++=222216141(1)[]()[]()09(21)33(21)3+−−+++=++kkkmmkk2226(1)(325)0mkmm−++−=k210m−=23250mm+−=1m=(0,1)MAB