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2014 nian gao kao shan dong shu xue wen ke juan 21 ti de tan jiu
Author(s): 
Pages: 57-58
Year: Issue:  4
Journal: ZHONGXUE SHUXUE ZAZHI(GAOZHONG BAN)

Abstract: 题目在平面直角坐标系中,椭圆C:x2a2+y2b2=1( a > b >0)的离心率为32,直线y=x被椭圆C截得的线段长为4105.
  (Ⅰ)求椭圆C的方程;
  (Ⅱ)过原点的直线与椭圆C交于A,B两点( A, B不是椭圆C的顶点),点D在椭圆C上,且AD⊥AB,直线BD与x轴、y轴分别交于M,N两点。

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