Directions: Using the digits 1-9, each only once, fill in the blanks to make the following vector relationship true.
What vectors maximize a + b?
What vectors minimize a + b?
Directions: Using the digits 1-9, each only once, fill in the blanks to make the following vector relationship true.
What vectors maximize a + b?
What vectors minimize a + b?
MathLab 
I really like this question but I was curious if I was misunderstanding it … the way I see it we need to use seven numbers but your posted solution if I am interpreting the problem correct would use the number 1 twice … as a component in vector a and as the scalar multiple.