Chapter 12.4, Problem 4E

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8th Edition

James Stewart

ISBN: 9781305266643

Textbook Problem

Find the cross product **a** × **b** and verify that it is orthogonal to both **a** and **b**.

**4. a** = 3**i** + 3**j** − 3**k**, **b** = 3**i** − 3**j** + 3**k**

To determine

**To find:** The cross product between **a** and **b** and verify
**a** and **b**.

Explanation

**Given:**

**Formula:**

Consider the general expression to find the cross product of **a** and **b**.

Condition to verify
**a**.

Condition to verify
**b**.

In equation (1), substitute 3 for

Thus, the

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