Instructions: on Occasion, the Notation = [A, θ] Will

Multiple Choice

Instructions: On occasion, the notation = [A, θ] will be a shorthand notation for .
-Dana says any vector can be represented as the sum of two vectors: . Ardis says any vector can be represented as the difference of two vectors: . Which one, if either, is correct?

A) They are both wrong: every vector is unique.
B) Dana is correct: Any vector can be represented as a sum of components and not as a difference.
C) Ardis is correct: Any vector can be represented as a difference of vector components and not as a sum.
D) They are both correct: A difference of vectors is a sum
.
E) They are both wrong: Vectors can be moved as long as they keep the same magnitude and direction.