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Vectors

Asked by 19th July 2012, 8:33 PM
Answered by Expert
Answer:
Use parallelogram law of vector addition.
In a triangle,
vectors: AB + BC = AC.
Thus Vectors AB + BC + AC = AC + AC = 2AC
Taking modulous, |AC| = a
Thus n = 2.
Answered by Expert 19th July 2012, 11:25 PM
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