Question: ONLY DO 8, 10, 18, 36 Finding Cross Products In Exercises 7-10, find (a) u x v, (b) v x u, and (c) v x

ONLY DO 8, 10, 18, 36

Finding Cross Products In Exercises 7-10, find (a) u x v, (b) v x u, and (c) v x v. 7. u = -21 + 4j 8. u = 31 + 5k v = 31 + 2j + 5k v = 2i + 3j - 2k 9. u = (7, 3, 2) 10. u = (3, -2, -2) v = (1, - 1, 5) v = (1, 5, 1) Finding a Cross Product In Exercises 11-16, find u x v and show that it is orthogonal to both u and v. 11. u = (12, -3, 0) 12. u = (- 1, 1, 2) v = (-2,5, 0) v = (0, 1, 0) 13. u = (2, -3, 1) 14. u = (- 10, 0, 6) V = (1, -2, 1) V = (5, - 3. 0) 15. u =i+j+k 16. u =i+ 6j EN v = 2i + j - k v = -2i + j+ k Finding a Unit Vector In Exercises 17-20, find a unit vector that is orthogonal to both u and v. 17. u = (4, -3, 1) 18. u = (-8, -6, 4) v = (2, 5, 3) v = (10, - 12, -2)Finding a Triple Scalar Product In Exercises 33-36, find LI . (v xw). 33. u = i 34. u = (1, 1, 1) v = (2, 1. 0) w = k w = (0, 0, 1) 35. u = (2, 0, 1) 36. u = (2, 0, 0) V = (0, 3, 0) V = (1, 1, 1) W = (0, 0, 1) W = (0, 2. 2)

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