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12,5,60.,1xxy24cossin[0,]6xA34B1316C78D122{|1}Mxx{|||1}NxaxNMaA1B2C3D43m02x+y+1+m=0x2+y2=mABCD4321()'(1)53fxxfxx'(1)fA2B2C6D65RtABC1ABACABCFABA63B21C632D6326()fx[1,1](1)1f2()21fxtat[1,1]x[1,1]atA22tB1122tC2t2t0tD12t12t0t7A07B07C122CABFAy2482x1y1By2482x1Cy2482x1Dx2482y18xyR2220xyxA22680xyxB22680xyxC22430xyxD22430xyx9OB=(2,0)OC=(2,2)CA=(cos2sin2)OAOBA[0,4]B[4,125]C[125,2]D[12,125]10()2sin()(0)fxx1y3,A6B2C1D121111a2a411b2b3b4212aabA12B12C1212D14121xlg2006xx2xx10x=2006x1x2A2003B2004C2005D2006441613xyNyxyxyxyx,0,040356056z=4x+3y_________144(2)xx3x________151(10)()1(01)xxfxxx()()1fxfx________16x2+y24x=0y____________.6741712ABCabcABCx2cos4sin60xCxC1C272cABC332SCab1812{}na11a2nnnS21()2nnnSaS1na2{}nbnT1912fx=loga11xxa0a1.1fx1+2xra2fx1+ar3fxloga2xx.2012fx11ab11a+b0babfaf)()(0.1abfafb2fx21fx413P={x|y=fxc}Q={x|y=fxc2}PQ=c.2112f(x)=x(xa)(x-b)(0ab)1y=f(x)O(0,0)mB(b,0)nmn2f(x)x=sx=tst0satb2214A22221(0)xyababxA1PByBPx9APAB1(0,1)B2(0,)Btt1Cxxy24cossin22cos1)22cos1(2xx22cos142cos2cos212xxxx2cos4143224cos14143xx4cos8187[0,]6x8x42x782DNMNNN||1ax0aN1||0xa11a1aa{0,1}22243Cd=21mm.dr=21mm=21m2m+1=21m120.C4C321()'(1)53fxxfxx2'()2'(1)1fxxfx2'(1)(1)2'(1)(1)1ff'(1)2f2'()41fxxx'(1)6f5AabAFm1ABAC90A2BC422a2212a21212ma22m2221()(2)2c622c622632212cea6C(1)1f2()21fxtat[1,1]2max()(1)121fxftat220tat220att[1,1]a222020tttt0220tttt2t2t0t7AAC13BC15AB14AFACBFBCAFBFBCAC2.FAB2.c=7a=1b248y2482x1y1.A8B22(1)1xy(,)Pxy22(1)1xy(,)Pxy22(1)3xyB9DOAOCCA=(2+cos2,2+sin2)A2)2()2(22yxAOAOAOBD10B1y1x2x1x2x213xx12sin()1x22sin()1x11sin()2x21sin()2x16x256x212()3xx211A11a2a421aa=(4)(1)3=111b2b3b422b=(1)(4)=422b12b422b212aab=1212D2006lgxx1lgyx22006yx1x310xy2y2x2112006xyxx1x2=2006.133640356056yxyxB(720,760)l4x+3y=tBz=4x+3y4x+3y=3771xy4x+3y3760563734yxyx40353734yxyx1A(25,9)2A(3,325)1A2A1A2A4x+3y363A(0,12)4A(4,320)0123x=1y=322x=2y=328(0,12)(4,320)z=4x+3y3614242444244444122)2(rrrrrrrrrrrrxCxCxxCTAPAB=9432r2r3x24242C=241511{|11}22xxx10x01x()1fxx()1fxx()()1fxfx111xx112x112x11{|11}22xxx16y20x=2yx.y2=8xx0y=0x01712cos4sin60xCxCcos00C2cos016sin24cos0CCCcos01cos2cos2CCC1cos2CC602C=60133sin3242ABCSabCab6ab22222cos()22coscababCabababC22121()34abcab112ab1812n1nnnaSS22111111()()222nnnnnnnnnSSSSSSSSS112nnnnSSSS1112nnSS1{}nS111Sa111(1)221nnnSS121nSn2n)32()12(13211211nnnnSSannn1,1,21(21)(23)nnannn221nnSbn=1111()(21)(21)22121nnnn111111[(1)()()]23352121nTnn11(1)22121nnn19..a10a1.11x1x2fx2fx1=loga1122xxloga1111xx=loga11111212xxxx=loga1121212121xxxxxxxx.x2x11x1x2x2x1.0x1x2x2+x11x1x2x1+x21.01121212121xxxxxxxx1.a1fx2fx10fx1+0a1fx2fx10fx1+.211xx0x11+.11xx=1+12x1fx0.a1x1fx0x1fx01fx1+x1.fx1+f1x1+.fx11xf11=11aa..1121aaar.321ar0a1x1fx0x1fx01+x1.fx1fx11xf11=11aa.1211aaar.a=2+3r=1.3fxloga2xa11211xxxx4173x4173x1.1x4173.0a11211xxxx201x1x21x1x20)()()(2121xxxfxf0.x1x20fx1+fx20.fx1fx2.fxfx2=fx2.fx1fx2.fx.1abfafb.2fx21fx41,4121,1411,1211xxxx21x45.{x|21x45}.31xc11+cx1+cP={x|1+cx1+c}.1xc211+c2x1+c2Q={x|1+c2x1+c2}.PQ=1+c1+c21+c1+c2c2c1.21)('xf=3x2-2(a+b)x+ab1m1k=)0('f=abn2k=)('bf=b(b-a)mn1k=2kab=b(b-a)b=2amn2st)('xf=3x2-2(a+b)x+ab=0)0('f=ab0)('af=a(a-b)0)('bf=b(b-a)0)('xf(0,a)(a,b)st0satb.221(0,1)B(0,)Ab45PABABAP=|AB||AP|cos45=|AB|2=(b+1)2=9,2b(3,1)P29114a212a221124xyAPyxb1yyxb(1,1)PbAPAB=(0,1+b)(1+b,1+b)=(1+b)2=92APAB=93(0,0)tbtb(3,)Pt22291tab22229babt22ab22229bbbt2291bt3bt91096t6069tt302t