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triple cross product

Defines: 
Lagrange's formula
Synonym: 
vector triple product, triple vector product
Major Section: 
Reference
Type of Math Object: 
Definition
Parent: 

Mathematics Subject Classification

15A72 no label found

Comments

The expansion formula agrees with a simple nemotechnic rule:
"exterior dot far times near minus exterior dot near times far".
That rule works if $\vec{a}$ is in left or right side.

Thank you, it is a good mnemonic -- I think I add it to the object, if you give permission!
Jussi

Dear Mr. pahio,
Of course yes!! For me is an honor.
Best regards,
Pedro

Hi, It would be nice to have some geometric proof of this for offering some insight.

See http://it.wikipedia.org/wiki/Prodotto_misto (Semplificazioni) and http://es.wikipedia.org/wiki/Doble_producto_vectorial (Demostración).

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