11. (10%) Let Q be an n x n matrix. Then which of the following set is not a subspace? (A) ColQ (B)

問題詳情

11. (10%) Let Q be an n x n matrix. Then which of the following set is not a subspace?
(A) ColQ
(B) Null Q
(C) rank Q
(D) Row Q
(E) None of the above