Find the unit vector in the direction of the given vector a, and express it using...

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Find the unit vector in the direction of the given vector a, and express it using standard unit vectors. a = u - v +w, where u = i- j -k, v = 3i - j + k, and w = i + j + 8k Find the unit vector in the direction of the given vector a, and express it using standard unit vectors. a = u - v +w, where u = i- j -k, v = 3i - j + k, and w = i + j + 8k

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