(28 20:31:48)
问题描述:
(28 20:31:48)
过点A(4,0)向圆x2+y2=1作两条切线,动点P在圆x2+y2=1上,求P到两条切线的距离和最大值和最小值
答
x=14.65
(28 20:31:48)
过点A(4,0)向圆x2+y2=1作两条切线,动点P在圆x2+y2=1上,求P到两条切线的距离和最大值和最小值
x=14.65