and 
have the same non-zero magnitude.The magnitude of 
+ 
is equal to the magnitude of 
- 
.What is the angle between 
and 
?
Definitions:
Productivity
The measure of the effectiveness of a person, machine, factory, system, etc., in converting inputs into useful outputs.
Quantitative Measure
An evaluation tool that uses numerical data to assess performance or outcomes.
Efficiency
The ability to accomplish a task or produce a desired outcome with the least amount of waste, effort, or resources.
Self-managers
Individuals who effectively regulate their own behavior and decisions towards achieving personal and professional goals.
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