人教版导与练总复习数学一轮课时作业：第八章第4节　双曲线

0°1ÄÅCD(x-3)?+y2=4,\r=>M(3,0),?Æ12.\r22\r:1?3-3=1(a>0,b>0)X?¾ÇTM:x2+y2-6x+5=0\ra2\rY¿/\r=>/È=2,\ry/bz+az\r=>9b2=4b2+4a2,\r=>5b2=4a2.\r:1b2=c2-a2,\r=>5d-a2)=4a¢EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r=>9a2=5c2,\r=>e=JË/\ra5\r=>?&'1Ì. Íc.\r18.RSF?C:x2-1=lÀ,PCÐў,A(0,6V6),\r8\r4APFÒ%ÓÔ`,"PÕÄ1.\r)*:Ö×/nE1?Ð/,?CCDtSa2=l,b2=8,\r=>c2=a2+bJ=l+8=9,\r=>c=3,\r=>ÐE(-3,0),\rÀF(3,0),\r:1|AF|=j32+(6ÚÛ=15,\r=>4APFÒ%ÓÔ`/|PA|+|PF|ÓÔ.\r,?sÜ0|PF|-|PE|=2a=2,\r=>|PF|=|PE|+2,\rÝ|PE|+|PA|2|AE|=|AF|=15,jޝA,P,E0ß?/jP\ràAEž`/á~â¶/\r=>4APFÒ%1|AF|+1AP|+1PF|=15+1PE|+1AP|+2215+15+2=32.\rã?AECD1y=2äx+6å/æ灂?CD0\rX2+9X+14=0,EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r)0x=-7(¹)¸x=-2,\r,x=-2,0y=2V6(èéR¹),\r=>PÕÄ1(-2,2V6).\rJK?(-2,2V6)