过圆(x-1)²+(y-3)²=16外一点P(4,9)引圆的切线长为?

来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/11 21:13:49
过圆(x-1)²+(y-3)²=16外一点P(4,9)引圆的切线长为?过圆(x-1)²+(y-3)²=16外一点P(4,9)引圆的切线长为?过圆(x-1)

过圆(x-1)²+(y-3)²=16外一点P(4,9)引圆的切线长为?
过圆(x-1)²+(y-3)²=16外一点P(4,9)引圆的切线长为?

过圆(x-1)²+(y-3)²=16外一点P(4,9)引圆的切线长为?

根号29