Find the unit vector in the direction of the vector
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Given Vector,
a = i + j + 2k
Now, Magnitude of the vector a = |a| = √(1)² + (1)² + (2)²
= √6
Now, Unit vector in the direction of this vector will be given by,
unit vector = (a vector)/magnitude of vector
∴ unit vector = (i + j + 2k)/√6
Now, it will have magnitude equals to one only, but it is in vector form.
Hope it helps.
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