38. Which set of vectors is a basis for R3
(A) ([1,2,3], [-1,0, 1], [4,9, 7
(B)[[1,4,7],[2,5,8],[3,6, 9]
(C)([1,0,-1],[2,1,-1],[-2,1,4]
(D)[4,0,0], [0,0,5], [0,3,0])
(E) All

答案：登入後查看
統計： A(2), B(0), C(0), D(0), E(0) #2993427