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Homework Statement
The diagram shows 3 vector all of equal length. Which statement is true?
a. A+B=AC
b. A+B=BC
c. AB=2AC
d. AB=2A+C
e. 2A+2B=2C
Homework Equations
None
The Attempt at a Solution
I just added them in my head, and thought that e. 2A+2B=2C would also work. Why doesn't it?
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