4. Find a unit 3-vector that is parallel to u = (-1, -2, 3) and has the same terminal point as u.
Added by Michael W.
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The magnitude of a vector u = (x, y, z) is given by the formula ||u|| = sqrt(x^2 + y^2 + z^2). In this case, the magnitude of vector u = sqrt((-1)^2 + (-2)^2 + 3^2) = sqrt(1 + 4 + 9) = sqrt(14). Show more…
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