Show that each of the given three vectors is a unit vector:

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asked Jan 24, 2018 in Mathematics by sforrest072 (157,439 points) 61 411 949
Show that each of the given three vectors is a unit vector:

1/7(2i+3j+6k),1/7(3i-6j+2k),1/7(6i+2j-3k)

Also, show that they are mutually perpendicular to each other.

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answered Jan 24, 2018 by mdsamim (213,225 points) 5 10 15
selected Jan 24, 2018 by sforrest072
 
Best answer

Thus, each of the given three vectors is a unit vector.

Hence, the given three vectors are mutually perpendicular to each other.

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