一道关于双曲线的题已知点F、A分别为双曲线C:X^2/a^2-Y^2/b^2=1(a>0,b>0)的左焦点、右顶点,点B(0,b)满足(向量)FB 点乘(向量)FA=0,求双曲线的离心率.答案:(1+5^-2)/2要过程!在线等候!谢谢!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 14:43:41
![一道关于双曲线的题已知点F、A分别为双曲线C:X^2/a^2-Y^2/b^2=1(a>0,b>0)的左焦点、右顶点,点B(0,b)满足(向量)FB 点乘(向量)FA=0,求双曲线的离心率.答案:(1+5^-2)/2要过程!在线等候!谢谢!](/uploads/image/z/10909460-20-0.jpg?t=%E4%B8%80%E9%81%93%E5%85%B3%E4%BA%8E%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E9%A2%98%E5%B7%B2%E7%9F%A5%E7%82%B9F%E3%80%81A%E5%88%86%E5%88%AB%E4%B8%BA%E5%8F%8C%E6%9B%B2%E7%BA%BFC%EF%BC%9AX%5E2%2Fa%5E2-Y%5E2%2Fb%5E2%3D1%28a%3E0%2Cb%3E0%29%E7%9A%84%E5%B7%A6%E7%84%A6%E7%82%B9%E3%80%81%E5%8F%B3%E9%A1%B6%E7%82%B9%2C%E7%82%B9B%280%2Cb%29%E6%BB%A1%E8%B6%B3%EF%BC%88%E5%90%91%E9%87%8F%EF%BC%89FB+%E7%82%B9%E4%B9%98%EF%BC%88%E5%90%91%E9%87%8F%EF%BC%89FA%3D0%2C%E6%B1%82%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87.%E7%AD%94%E6%A1%88%EF%BC%9A%EF%BC%881%2B5%5E-2%EF%BC%89%2F2%E8%A6%81%E8%BF%87%E7%A8%8B%21%E5%9C%A8%E7%BA%BF%E7%AD%89%E5%80%99%21%E8%B0%A2%E8%B0%A2%21)
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