Question

In Exercises 1–5, find the length and direction (when defined) of u * v and v * u.

1. u = 2i - 2j - k, v = i - k

2. u = 2i + 3j, v =-i + j

3. u = 2i - 2j + 4k, v =-i + j - 2k

4. u = i + j - k, v = 0

5. u = 2i, v =-3j

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