9. 若
= (−2,2,1),
= (1,3,2),
= (−2,3,1) ,則當
有最小值時,(s , t) =_______
詳解 (共 1 筆)
QQ
詳解 #6133829
9. 若
= (−2,2,1),
= (1,3,2),
= (−2,3,1) ,則當
有最小值時,(s , t) =_______