?Prove that \((\mathbf{a}-\mathbf{b}) \times(\mathbf{a}+\mathbf{b})=2(\mathbf{a} \times
Chapter 12, Problem 49(choose chapter or problem)
Prove that \((\mathbf{a}-\mathbf{b}) \times(\mathbf{a}+\mathbf{b})=2(\mathbf{a} \times \mathbf{b})\).
Equation Transcription:
(a ー b) (a + b) = 2(a
b)
Text Transcription:
(a ー b) times (a + b) = 2(a times b)
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