Answer
$(i \times j) \times k=0$
Work Step by Step
Cross product of a vector with itself is zero.
We are given $(i \times j) \times k$
But $ i \times j =k$
Thus, $(k) \times k =0$
Hence, $(i \times j) \times k=0$
Multivariable Calculus, 7th Edition
by Stewart, James
Published by
Brooks Cole
ISBN 10:
0-53849-787-4
ISBN 13:
978-0-53849-787-9
Chapter 12 - Vectors and the Geometry of Space - 12.4 Exercises - Page 838: 9
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