# Griffiths, Introduction to Electrodynamics, 4th Edition

## Chapter 1. Vector Analysis

### Problem 1.5 BAC-CAB rule

##### The problem asks you to
• prove the BAC-CAB rule by writing out both sides in component form.
• the BAC-CAB rule, which is $\vec{A} \times ( \vec{B} \times \vec{C} ) = \vec{B}( \vec{A} \cdot \vec{C} ) - \vec{C}( \vec{A} \cdot \vec{B})$