• 2021-04-14
    【单选题】Vector A = 3i - 4j, vector B = -2i + 3k, where i, j and k are unit vectors along x, y and z axis, respectively. Vector D = A - B is given by (3.0分)
    A. 8i - 4j - 3k B. 5i - 10j - 3k C. 5i - 4j - 3k