Problem 1E: Finding the Length of a Vector. In Exercises 1-4, find the length of the vector. v=(4,3) Problem 2E: Finding the Length of a Vector. In Exercises 1-4, find the length of the vector. v=(0,1) Problem 3E: Finding the Length of a Vector. In Exercises 1-4, find the length of the vector. v=(5,3,4) Problem 4E: Finding the Length of a Vector. In Exercises 1-4, find the length of the vector. v=(2,0,5,5) Problem 5E: Finding the Length of a Vector. In Exercises 5-8, find a u, b v, and c u+v u=(1,14), v=(4,18) Problem 6E: Finding the Length of a Vector. In Exercises 58, find a u, b v, and c u+v u=(1,12), v=(2,12) Problem 7E: Exercises Finding the Length of a Vector In Exercises 58, find a u, b v, and c u+v... Problem 8E: Exercises Finding the Length of a Vector In Exercises 58, find a u, b v, and c u+v u=(0,1,1,2),... Problem 9E: Exercises Finding a Unit Vector. In Exercises 912, find a unit vector a in the direction of u and b... Problem 10E: Exercises Finding a Unit Vector. In Exercises 912, find a unit vector a in the direction of u and b... Problem 11E: Exercises Finding a Unit Vector. In Exercises 912, find a unit vector a in the direction of u and b... Problem 12E: Exercises Finding a Unit Vector. In Exercises 912, find a unit vector a in the direction of u and b... Problem 13E: Exercises Finding a Vector. In Exercises 1316, find the vector v with the given length and the same... Problem 14E Problem 15E Problem 16E: Finding a VectorIn Exercises 13-16, find the vector v with the given length and the same direction... Problem 17E: Consider the vector v=(1,3,0,4). Find u such that a u has the same direction as v and one-half of... Problem 18E: For what values of c is c(1,2,3)=1? Problem 19E: Finding the Distance Between Two VectorsIn Exercises 19-22, find the distance between u and v.... Problem 20E: Finding the Distance Between Two VectorsIn Exercises 19-22, find the distance between u and v.... Problem 21E: Finding the Distance Between Two VectorsIn Exercises 19-22, find the distance between u and v.... Problem 22E: Finding the Distance Between Two VectorsIn Exercises 19-22, find the distance between u and v.... Problem 23E Problem 24E Problem 25E Problem 26E Problem 27E: Find (u+v)(2uv) when uu=4, uv=5, and vv=10. Problem 28E: Find (3uv)(u3v) when uu=8, uv=7, and vv=6. Problem 29E: Finding Lengths, Unit Vectors, and Dot Products In Exercises 29-34, use a software program or a... Problem 30E: Finding Lengths, Unit Vectors, and Dot Products In Exercises 29-34, use a software program or a... Problem 31E: Finding Lengths, Unit Vectors, and Dot Products In Exercises 29-34, use a software program or a... Problem 32E Problem 33E: Finding Lengths, Unit Vectors, and Dot Products In Exercises 29-34, use a software program or a... Problem 34E Problem 35E: Verifying the Cauchy-Schwarz Inequality In Exercises 35-38, verify the Cauchy-Schwarz inequality for... Problem 36E: Verifying the Cauchy-Schwarz Inequality In Exercises 35-38, verify the Cauchy-Schwarz inequality for... Problem 37E Problem 38E Problem 39E: Finding the Angle Between Two Vectors In Exercises 39-46, find the angle between the vectors.... Problem 40E: Finding the Angle Between Two Vectors In Exercises 39-46, find the angle between the vectors.... Problem 41E Problem 42E Problem 43E: Finding the Angle Between Two Vectors In Exercises 39-46, find the angle between the vectors.... Problem 44E: Finding the Angle Between Two Vectors In Exercises 39-46, find the angle between the vectors.... Problem 45E: Finding the Angle Between Two Vectors In Exercises 39-46, find the angle between the vectors.... Problem 46E Problem 47E: Determining a Relationship Between Two Vectors In Exercises 47-54, determine whether u and v are... Problem 48E: Determining a Relationship Between Two Vectors In Exercises 47-54, determine whether u and v are... Problem 49E Problem 50E: Determining a Relationship Between Two Vectors In Exercises 47-54, determine whether u and v are... Problem 51E Problem 52E: Determining a Relationship Between Two Vectors In Exercises 47-54, determine whether u and v are... Problem 53E: Exercises Determining a relationship Between Two Vectors In Exercises 47-54, determine whether u and... Problem 54E Problem 55E Problem 56E: Exercises Finding orthogonal Vectors In Exercises 5558, determine all vectors v that are orthogonal... Problem 57E: Exercises Finding orthogonal Vectors In Exercises 5558, determine all vectors v that are orthogonal... Problem 58E Problem 59E Problem 60E: Verifying the Triangle Inequality. In Exercises 5962, verify the triangle inequality for the vectors... Problem 61E Problem 62E Problem 63E Problem 64E: Verifying the Pythagorean Theorem In Exercises 63-66, Verify the Pythagorean theorem for the vectors... Problem 65E Problem 66E Problem 67E: Rework Exercise 23 using matrix multiplication. Finding Dot Products In Exercises 23-26, find a uv,... Problem 68E: Rework Exercise 24 using matrix multiplication. Finding Dot ProductsIn Exercises 23-26, find a uv, b... Problem 69E Problem 70E Problem 71E: Writing In Exercises 71 and 72, determine whether the vectors are orthogonal, parallel or neither.... Problem 72E Problem 73E: True or False?In Exercises 73 and 74, determine whether the each statement is true or false. If a... Problem 74E Problem 75E Problem 76E Problem 77E: Orthogonal Vectors In Exercises 77 and 78, let v=(v1,v2) be a vector in 2. Show that (v2,v1) is... Problem 78E: Orthogonal Vectors In Exercises 77 and 78, let v=(v1,v2) be a vector in 2. Show that (v2,v1) is... Problem 79E Problem 80E Problem 81E Problem 82E Problem 83E: Guided Proof Prove that if u is orthogonal to v and w, then u is orthogonal to cv+dw for any scalars... Problem 84E Problem 85E Problem 86E: Proof Prove that u+v=u+v if and only if u and v have the same direction. Problem 87E: Proof Use the properties of matrix multiplication to prove the first three properties of Theorem... Problem 88E Problem 89E: Writing Let x be a solution to mn homogeneous linear system of equations Ax=0. Explain why x is... format_list_bulleted