SOLUTION: u and v are unit vectors and the angle is pi/3
What is ||3u + 4v||?
My book gives the answer {{{sqrt(37)}}} and I have the same result but I would like to know if I have done it
Algebra.Com
Question 1183418: u and v are unit vectors and the angle is pi/3
What is ||3u + 4v||?
My book gives the answer and I have the same result but I would like to know if I have done it correct.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
, since u and v are unit vectors.
= .
Hence , which implies that .
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