20. Determine whether u and v are orthogonal, parallel, or neither u =＜ 4,3 ＞, v =＜＞
(A) Orthogonal but not parallel
(B)Orthogonal and parallel
(C)Parallel but not orthogonal
(D)Not Parallel and not orthogonal

1. 題目解析題目要求判斷向量 \(...