已知两点M(-2,0),N(2,0),动点P在y轴上的射影是H,如果PH*PH,PM*PN(均为向量相乘)分别是公比q=2的等比数列的第三,第四项.(1)求动点P的轨迹C的方程(2)已知过点N的直线l交曲线C于x轴下方两个不同的点A,B
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 15:34:29
![已知两点M(-2,0),N(2,0),动点P在y轴上的射影是H,如果PH*PH,PM*PN(均为向量相乘)分别是公比q=2的等比数列的第三,第四项.(1)求动点P的轨迹C的方程(2)已知过点N的直线l交曲线C于x轴下方两个不同的点A,B](/uploads/image/z/12582731-11-1.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%A4%E7%82%B9M%28-2%2C0%29%2CN%282%2C0%29%2C%E5%8A%A8%E7%82%B9P%E5%9C%A8y%E8%BD%B4%E4%B8%8A%E7%9A%84%E5%B0%84%E5%BD%B1%E6%98%AFH%2C%E5%A6%82%E6%9E%9CPH%2APH%2CPM%2APN%28%E5%9D%87%E4%B8%BA%E5%90%91%E9%87%8F%E7%9B%B8%E4%B9%98%29%E5%88%86%E5%88%AB%E6%98%AF%E5%85%AC%E6%AF%94q%3D2%E7%9A%84%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%E7%9A%84%E7%AC%AC%E4%B8%89%2C%E7%AC%AC%E5%9B%9B%E9%A1%B9.%281%29%E6%B1%82%E5%8A%A8%E7%82%B9P%E7%9A%84%E8%BD%A8%E8%BF%B9C%E7%9A%84%E6%96%B9%E7%A8%8B%282%29%E5%B7%B2%E7%9F%A5%E8%BF%87%E7%82%B9N%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%BA%A4%E6%9B%B2%E7%BA%BFC%E4%BA%8Ex%E8%BD%B4%E4%B8%8B%E6%96%B9%E4%B8%A4%E4%B8%AA%E4%B8%8D%E5%90%8C%E7%9A%84%E7%82%B9A%2CB)
xTn@/m"`=RuTQH4G$EiRyf_HM*!͝g=1)z{}8t/יe(Y[8Lѽ]5Vh{/yУ{JFRIDݬ
Ui]Zj}
Ebݦߞv`p3!ȍ[3x5QBѼ%Yש5x}tssi22O!A4Oϸ)6*
=k Z"kҸU
sp@PJշ4y=-O{T}{A:I`'T2O'D#S"2Cj 1qp?bȓQ3br|w;fF62I!Y)lY^LhiPJhi(I^I0U4Q{?U05h!U@HMUF9,Q,WV2Bb$%ALK>
fZp cҢ!&zFV%hf0,^D5ʅ#1bQ%>ras}:a{p$L
ռkg~~7|<