已知曲线x^2/a^2-y^2/b^2=1(a>0,b>0)的离心率e=2根号3/3,直线L过点(a,0),B(0,-b)两点,原点O到L的距离是已知双曲线x^2/a^2-y^2/b^2=1(a>0,b>0)的离心率e=2倍根3/3,过A(0,-b)与B(a,0)的直线与原点的距离为根号3/2.(1
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 21:18:30
![已知曲线x^2/a^2-y^2/b^2=1(a>0,b>0)的离心率e=2根号3/3,直线L过点(a,0),B(0,-b)两点,原点O到L的距离是已知双曲线x^2/a^2-y^2/b^2=1(a>0,b>0)的离心率e=2倍根3/3,过A(0,-b)与B(a,0)的直线与原点的距离为根号3/2.(1](/uploads/image/z/3506344-16-4.jpg?t=%E5%B7%B2%E7%9F%A5%E6%9B%B2%E7%BA%BFx%5E2%2Fa%5E2-y%5E2%2Fb%5E2%3D1%28a%3E0%2Cb%3E0%29%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87e%3D2%E6%A0%B9%E5%8F%B73%2F3%2C%E7%9B%B4%E7%BA%BFL%E8%BF%87%E7%82%B9%28a%2C0%29%2CB%280%2C-b%29%E4%B8%A4%E7%82%B9%2C%E5%8E%9F%E7%82%B9O%E5%88%B0L%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%98%AF%E5%B7%B2%E7%9F%A5%E5%8F%8C%E6%9B%B2%E7%BA%BFx%5E2%2Fa%5E2-y%5E2%2Fb%5E2%3D1%EF%BC%88a%3E0%2Cb%3E0%EF%BC%89%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87e%3D2%E5%80%8D%E6%A0%B93%2F3%2C%E8%BF%87A%280%2C-b%29%E4%B8%8EB%28a%2C0%29%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%8E%E5%8E%9F%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA%E6%A0%B9%E5%8F%B73%2F2.%281)
xAoAǿ&&fMd6so@K<ݤZ`Mlh
5jblP(BҏR퉯O3̦&GnV V;O(-lP^JwzB@j8*=EKˆle|~!ZX*r,y2dDg-0xJc|{gϰ8Yq~Vs[ABƊ͌^?