Problem 1QCE: a3245=b321321555= Problem 2QCE: 1,2,03,0,4= Problem 3QCE: Suppose that u, v, and w are vectors in 3-space such that uv=2,7,3anduw=5,4,0. auu=bvu=cuv+w=du2w= Problem 4QCE: Let u=i5k,v=2i4j+k,andw=3i2j+5k. auvw= (b) The volume of the parallelepiped that has u, v, and w as... Problem 1ES: (a) Use a determinant to find the cross product ii+j+k (b) Check your answer in part (a) by... Problem 2ES: In each part, use the two methods in Exercise 1 to find aji+j+kbki+j+k. Problem 3ES: Find uv and check that it is orthogonal to both u and v. u=1,2,3,v=4,1,2 Problem 4ES: Find uv and check that it is orthogonal to both u and v. u=3i+2jk,v=i3j+k Problem 5ES: Find uv and check that it is orthogonal to both u and v. u=0,1,2,v=3,0,4 Problem 6ES: Find uv and check that it is orthogonal to both u and v. u=4i+k,v=2ij Problem 7ES: Let u=2,1,3,v=0,1,7,andw=1,4,5. Find auvwbuvwcuvvwdvwuv. Problem 8ES: Use a CAS or a calculating utility that can compute determinants or cross products to solve Exercise... Problem 9ES: Find the direction cosines of uv for the vectors u and v in the accompanying figure. Problem 10ES: Find two unit vectors that are orthogonal to both u=7i+3j+k,v=2i+4k Problem 11ES: Find two unit vectors that are normal to the plane determined by the points A0,2,1,B1,1,2,andC1,1,0. Problem 12ES: Find two unit vectors that are parallel to the yz-plane and are orthogonal to the vector 3ij+2k. Problem 13ES: Determine whether the statement is true or false. Explain your answer. If the cross product of two... Problem 14ES: Determine whether the statement is true or false. Explain your answer. For any three vectors a, b,... Problem 15ES: Determine whether the statement is true or false. Explain your answer. Ifvu=vwandifv0,thenu=w. Problem 16ES: Determine whether the statement is true or false. Explain your answer. Ifu=av+bw,thenuvw=0. Problem 17ES: Find the area of the parallelogram that has u and v as adjacent sides. u=ij+2k,v=3j+k Problem 18ES: Find the area of the parallelogram that has u and v as adjacent sides. u=2i+3j,v=i+2j2k Problem 19ES: Find the area of the triangle with vertices P, Q, and R. P1,5,2,Q0,0,0,R3,5,1 Problem 20ES: Find the area of the triangle with vertices P, Q, and R. P2,0,3,Q1,4,5,R7,2,9 Problem 21ES: Finduvw. u=2i3j+k,v=4i+j3k,w=j+5k Problem 22ES: Finduvw. u=1,2,2,v=0,3,2,w=4,1,3 Problem 23ES Problem 24ES Problem 25ES: Use a scalar triple product to find the volume of the parallelepiped that has u, v, and w as... Problem 26ES: Use a scalar triple product to find the volume of the parallelepiped that has u, v, and w as... Problem 27ES: In each part, use a scalar triple product to determine whether the vectors lie in the same plane.... Problem 28ES: Suppose that uvw=3. Find auwvbvwucwuvdvuweuwvfvww. Problem 29ES: Consider the parallelepiped with adjacent edges u=3i+2j+kv=i+j+2kw=i+3j+3k (a) Find the volume. (b)... Problem 30ES: Show that in 3-space the distance d from a point P to the line L through points A and B can be... Problem 31ES: Use the result in Exercise 30 to find the distance between the point P and the line through the... Problem 32ES: It is a theorem of solid geometry that the volume of a tetrahedron is 13areaofbaseheight. Use this... Problem 33ES: Use the result of Exercise 32 to find the volume of the tetrahedron with vertices... Problem 34ES Problem 35ES: Let A, B, C, and D be four distinct points in 3-space. If ABCD0andACABCD=0, explain why the line... Problem 36ES: Let A, B, and C be three distinct noncollinear points in 3-space. Describe the set of all points P... Problem 37ES Problem 38ES Problem 39ES: The accompanying figure shows a force F of 10 lb applied in the positive y-direction to the point... Problem 40ES Problem 41ES: As shown in the accompanying figure, a force of 200 N is applied at an angle of 18 to a point near... Problem 42ES: Prove parts (b) and (c) of Theorem 11.4.3. Problem 43ES: Prove parts (d) and (e) of Theorem 11.4.3. Problem 44ES: Prove part (b) of Theorem 11.4.1 for 33 determinants. [Note: Just give the proof for the first two... Problem 45ES: Expressions of the form uvwanduvw are called vector triple products. It can be proved with some... Problem 46ES: (a) Use the result in Exercise 45 to show that uvw lies in the same plane as v and w, and uvw lies... Problem 47ES: In each part, use the result in Exercise 45 to prove the vector identity.... Problem 48ES: Prove: If a, b, c, and d lie in the same plane when positioned with a common initial point, then... Problem 49ES: Use a CAS to approximate the minimum area of a triangle if two of its vertices are 2,1,0and3,2,2 and... Problem 50ES: If a force F is applied to an object at a point Q, then the line through Q parallel to F is called... Problem 51ES: Discuss some of the similarities and differences between the multiplication of real numbers and the... format_list_bulleted