Find a unit vector that has the same direction as the given vector. 2i − j + 2k

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section: Chapter Questions
Problem 15T
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Find a unit vector that has the same direction as the given vector.
2i − j + 2k
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