Proving a relation between cross and dot products

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SUMMARY

The discussion centers on proving the vector identity u × (v × w) = (u · w)v - (u · v)w, which is a property of cross products. The original poster seeks assistance in proving this identity, as it is presented in their textbook without a proof. The identity is crucial for understanding the relationship between cross and dot products in vector calculus.

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  • Understanding of vector operations, specifically cross and dot products.
  • Familiarity with vector identities and properties.
  • Basic knowledge of linear algebra concepts.
  • Proficiency in mathematical proof techniques.
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  • Study the derivation of vector identities involving cross and dot products.
  • Explore the geometric interpretation of cross and dot products.
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Bipolarity
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Another vector identity I have been trying to prove. My textbook lists this identity in "properties of cross products" without proving it. I have been trying to prove it, withou much luck, so some insight is appreciated.

[tex]u \times (v \times w) = (u \cdot w)v - (u \cdot v)w[/tex]

Thanks!

BiP
 
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This belongs in the homework section.
 

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