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OpenStudy (anonymous):
Prove for vector
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OpenStudy (anonymous):
\[a=(n.\hat a)\hat a + (\hat a \times n)\hat n \]
OpenStudy (anonymous):
idk if its true ..
OpenStudy (anonymous):
is the second part even valid? after +
OpenStudy (sirm3d):
what is the difference between a and a-hat?
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