椭圆C,x^2/8+y^2/4=1上一点P(x0,y0)向圆O,x^2+y^2=4引两条切线PA,PB,A,B为切线,过椭圆C:x^2/8+y^/4=1上一点P(x0,y0)向圆O:x^2+y^2=4引两条切线PA、PB、A、B为切点,如直线AB与X轴、Y轴交于M、N两点.(1)若向
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 17:33:05
![椭圆C,x^2/8+y^2/4=1上一点P(x0,y0)向圆O,x^2+y^2=4引两条切线PA,PB,A,B为切线,过椭圆C:x^2/8+y^/4=1上一点P(x0,y0)向圆O:x^2+y^2=4引两条切线PA、PB、A、B为切点,如直线AB与X轴、Y轴交于M、N两点.(1)若向](/uploads/image/z/5462703-63-3.jpg?t=%E6%A4%AD%E5%9C%86C%2Cx%5E2%2F8%2By%5E2%2F4%3D1%E4%B8%8A%E4%B8%80%E7%82%B9P%28x0%2Cy0%29%E5%90%91%E5%9C%86O%2Cx%5E2%2By%5E2%3D4%E5%BC%95%E4%B8%A4%E6%9D%A1%E5%88%87%E7%BA%BFPA%2CPB%2CA%2CB%E4%B8%BA%E5%88%87%E7%BA%BF%2C%E8%BF%87%E6%A4%AD%E5%9C%86C%EF%BC%9Ax%5E2%2F8%2By%5E%2F4%3D1%E4%B8%8A%E4%B8%80%E7%82%B9P%EF%BC%88x0%2Cy0%EF%BC%89%E5%90%91%E5%9C%86O%EF%BC%9Ax%5E2%2By%5E2%3D4%E5%BC%95%E4%B8%A4%E6%9D%A1%E5%88%87%E7%BA%BFPA%E3%80%81PB%E3%80%81A%E3%80%81B%E4%B8%BA%E5%88%87%E7%82%B9%2C%E5%A6%82%E7%9B%B4%E7%BA%BFAB%E4%B8%8EX%E8%BD%B4%E3%80%81Y%E8%BD%B4%E4%BA%A4%E4%BA%8EM%E3%80%81N%E4%B8%A4%E7%82%B9.%EF%BC%881%EF%BC%89%E8%8B%A5%E5%90%91)
xV]oV+\6l`vLjH&DʥI|UkБFJ`pScs_slLÖiI݆9yy?ϓӬޠH3)853V.I $-L·@9c"!j:h.ku(c$Jbf:;(y9}#?B'Ãx2:tD;3evfgc|}"@("yxG|}쁓H#zYUs{ "a$X57Jؼ@*{[&LVQskU