1 下列那一組值會使矩陣為“歪斜對稱”（skew-symmetric）矩陣？
(A)a = 1, b = 2, c = 3
(B)a = 1, b = -2, c =- 3
(C)a = -1, b = -2, c = -3
(D)a = -1, b = 2, c = -3

歪斜對稱（skew-symmetric）...