а. Two vectors A and B are given at a point P(r, e, ¤) in space as А %3D10а, + 30а, -10а, | В 3D - За, - 10а, — 20а, Determine: i. 2A – 5B ii. A.B iii.A x B iv. The scalar component of A in the direction of B v. The vector projection of A in the direction of B and vi. A unit vector perpendicular to both A and B. b. Repeat the above solution if the two vectors A and B given at a point P(r, 0, D) in space reduced by 30 percent. c. Discuss the differences in solution a and b above

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Q: Q.1 If a = 3i - j-4k, b= -2i + 4j- 3k and c =i+ 2j-k. - Find unit vector parallel to 3 a -2 b +4 c .

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