問題詳情

23. (3%) Which of the following statements is true?
(A) Let S be a subset of a vector space. Then S =


(B) Let V be a subset of Rn, and if V is orthogonal to W, then

is orthogonal to

.
(C) If u and v are vectors in Rn, and if distance from u to v equals the distance from u to -v, thenand v are orthogonal.
(D) If u, v and w are vectors in Rn, and if u is orthogonal to v +w, then u is orthogonal to v and w.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增