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Q. 23

Found in: Page 824


Book edition 1st
Author(s) Peter Kohn, Laura Taalman
Pages 1155 pages
ISBN 9781429241861

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Short Answer

In Exercises 22–29 compute the indicated quantities when u=(2,1,3), v=(4,0,1), and w=(2,6,5)

u×w and w×u

The value of u×w=23i+4j+14k and w×u=-23i-4j-14k.

See the step by step solution

Step by Step Solution

Step 1. Given Information 

In Exercises 22–29 compute the indicated quantities whenu=(2,1,3), v=(4,0,1), and w=(2,6,5)

We have to find the value of u×w and w×u

Step 2. Firstly finding the value of u×w

The value of vectors u=(2,1,3), w=(2,6,5)

The cross product of u×w=detijk21-3-265

Step 3. Now solving the matrix. 


Step 4. Firstly finding the value of w×u

The value of vectors w=(2,6,5) and u=(2,1,3)

The cross product of w×u=detijk-26521-3

Step 5. Now solving the matrix. 


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