Please read the attached file
The set is not closed
Example:
-4 * -3 = 12 this is not a negative integer
Answer:
B.
Step-by-step explanation:
GIven that and , and that point M is the midpoint of AB, the midpoint can be determined as a vectorial sum of A and B. That is:
The location of B is now determined after algebraic handling:
Then:
Which corresponds to option B.