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Write the unit vector in the direction o...

Write the unit vector in the direction of `vecA=5veci+vecj-2veck`.

Text Solution

Verified by Experts

`|vecA|=sqrt(5^2+1^2+(-2)^2)=sqrt(30)`
The required unit vector is `vecA/(|vecA|)`
` = 5/sqrt30 veci+1/sqrt30 vecj-2/sqrt30 veck`.
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