卷別基礎數學選擇國立中興大學 2025 · 考試 · 第 28 題 考科線性代數(10%,多重選擇) Which of the following sets of vectors are orthogonal with respect to the Euclidean inner product?(A)u=(0,−1,2,5), v=(1,−2,3,0)\mathbf{u} = (0, -1, 2, 5),\ \mathbf{v} = (1, -2, 3, 0)u=(0,−1,2,5), v=(1,−2,3,0)(B)u=(1,1,1), v=(−1,−1,−1)\mathbf{u} = (1, 1, 1),\ \mathbf{v} = (-1, -1, -1)u=(1,1,1), v=(−1,−1,−1)(C)u=(−1,2,4), v=(2,3,−1)\mathbf{u} = (-1, 2, 4),\ \mathbf{v} = (2, 3, -1)u=(−1,2,4), v=(2,3,−1)(D)u=(a,b,c), v=(0,0,0)\mathbf{u} = (a, b, c),\ \mathbf{v} = (0, 0, 0)u=(a,b,c), v=(0,0,0)(E)u=(a,b), v=(−b,a)\mathbf{u} = (a, b),\ \mathbf{v} = (-b, a)u=(a,b), v=(−b,a)標準解析AI 已複查顯示標準解析 上一題第 27 題第 29 題下一題