题目内容
设O为坐标原点,A(1,1),若点B(x,y)满足则取得最小值时,点B的个数是
A.1
B.2
C.3
D.无数个
设O为坐标原点,A(1,1),点B(x,y)满足,则·取得最小值时,点B的个数是
设O为坐标原点,A(1,1),若点B(x,y)满足,则取得最小值时,点B的个数是
D.无数