a. We begin by defining the cross products using the vectors i, j, and k. Referring to Figure 9.4.1, explain why i, j, k in that order form a right- hand system. We then define i xj to be k- that is ix j = k. b. Now explain why i, k, and −j in that order form a right-hand system. We then define i xk to be -j- that is ix k = -j. c. Continuing in this way, complete the missing entries in Table 9.4.2. Table 9.4.2 Table of cross products involving i, j, and k. ixj=k ixk=-j jxk= jxi= kxi= kxj=
a. We begin by defining the cross products using the vectors i, j, and k. Referring to Figure 9.4.1, explain why i, j, k in that order form a right- hand system. We then define i xj to be k- that is ix j = k. b. Now explain why i, k, and −j in that order form a right-hand system. We then define i xk to be -j- that is ix k = -j. c. Continuing in this way, complete the missing entries in Table 9.4.2. Table 9.4.2 Table of cross products involving i, j, and k. ixj=k ixk=-j jxk= jxi= kxi= kxj=
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![9.4 The Cross Product
Ak
Figure 9.4.1 Basis vectors i, j, and k.
Preview Activity 9.4.1 The cross product of two vectors, u and v, will itself
be a vector denoted u x v. The direction of u x v is determined by the right-
hand rule: if we point the index finger of our right hand in the direction of
u and our middle finger in the direction of v, then our thumb points in the
direction of u x v.
a. We begin by defining the cross products using the vectors i, j, and k.
Referring to Figure 9.4.1, explain why i, j, k in that order form a right-
hand system. We then define i xj to be k- that is ixj=k.
b. Now explain why i, k, and -j in that order form a right-hand system.
We then define ix k to be -j- that is ix k-j.
c. Continuing in this way, complete the missing entries in Table 9.4.2.
Table 9.4.2 Table of cross products involving i, j, and k.
ixj=k
ixk=-j
jxk=
jxi=
<xi=
kx j =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc912c3ad-06dc-4631-aad6-b241c93d4027%2F670ff497-6670-4894-9006-e7e9ba44a3c0%2Fe8vsot_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9.4 The Cross Product
Ak
Figure 9.4.1 Basis vectors i, j, and k.
Preview Activity 9.4.1 The cross product of two vectors, u and v, will itself
be a vector denoted u x v. The direction of u x v is determined by the right-
hand rule: if we point the index finger of our right hand in the direction of
u and our middle finger in the direction of v, then our thumb points in the
direction of u x v.
a. We begin by defining the cross products using the vectors i, j, and k.
Referring to Figure 9.4.1, explain why i, j, k in that order form a right-
hand system. We then define i xj to be k- that is ixj=k.
b. Now explain why i, k, and -j in that order form a right-hand system.
We then define ix k to be -j- that is ix k-j.
c. Continuing in this way, complete the missing entries in Table 9.4.2.
Table 9.4.2 Table of cross products involving i, j, and k.
ixj=k
ixk=-j
jxk=
jxi=
<xi=
kx j =
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