Finding the Cross Product In Exercises 1-6, find the cross product of the unit
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Elementary Linear Algebra (MindTap Course List)
- Vector Operations In Exercises 19-24, let u=(1,2,3), v=(2,2,-1), and w=(4,0,-4). Find 2u+4vw.arrow_forwardError Analysis Describe the error in finding the component form of the vector u that has initial point 3,4 and terminal point 6,1. The components are u1=36=9and u2=41=5. So,u=9,5.arrow_forwardTake this test to review the material in Chapters 4 and 5. After you are finished, check your work against the answers in the back of the book. a Explain what it means to say that a set of vectors is linearly independent. b Determine whether the set S is linearly dependent or independent. S={(1,0,1,0),(0,3,0,1),(1,1,2,2),(3,4,1,2)}arrow_forward
- Writing How could you describe vector subtraction geometrically? What is the relationship between vector subtraction and the basic vector operations of addition and scalar multiplication?arrow_forwardOrthogonal Vectors In Exercises 77 and 78, let v=(v1,v2) be a vector in 2. Show that (v2,v1) is orthogonal to v and use this fact to find two unit vectors orthogonal to the given vectors. v=(8,15)arrow_forwardExercises Finding a Unit Vector. In Exercises 912, find a unit vector a in the direction of u and b in the direction opposite that of u. Verify that each vector has length 1. u=(3,2,5)arrow_forward
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