设a>1,则双曲线x²/a²-y²/(a+1)²=1的离心率e的取值范围是
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 22:04:36
![设a>1,则双曲线x²/a²-y²/(a+1)²=1的离心率e的取值范围是](/uploads/image/z/10190089-1-9.jpg?t=%E8%AE%BEa%EF%BC%9E1%2C%E5%88%99%E5%8F%8C%E6%9B%B2%E7%BA%BFx%26%23178%3B%2Fa%26%23178%3B-y%26%23178%3B%2F%28a%2B1%29%26%23178%3B%3D1%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87e%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF)
x){n_=uv|lW)[X'BhJ(_#QP¶5|>O7?kOrO{ڰEO[XoTOClh$[0YgCrmb6 1)H U'd!
{{I-$ M3/.H̳y~/nYD /'?nhBR
V
设a>1,则双曲线x²/a²-y²/(a+1)²=1的离心率e的取值范围是
设a>1,则双曲线x²/a²-y²/(a+1)²=1的离心率e的取值范围是
设a>1,则双曲线x²/a²-y²/(a+1)²=1的离心率e的取值范围是
b=a+1
所c^2=a^2+(a+1)^2=2a^2+2a+1
e^2=c^2/a^2=2+2/a+1/a^2
令p=1/a
a>1,所0
对不起,我不知道。