Which of the following statements are correct about a vector quantity.

Options

A. Change in any vector is defined to be the vector difference between the final vector and the initial vector.
B. A vector is changed if direction of the vector changes by an acute angle but magnitude is unaltered.
C. The magnitude and direction of change in any vector quantity is independent of the coordinate system used to describe the situation
D. Change in a vector quantity depends on choise of coordinate system.