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OpenStudy (dls):
A small doubt in vectors :)
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OpenStudy (dls):
Why are\([bba],[aab],[cca]\) etc 0? [.] denotes triple product
hartnn (hartnn):
do you know the definition of triple product ?
OpenStudy (dls):
\[\Large [bba]=b.(b \times a)\]
hartnn (hartnn):
you take cross product, right ?
hartnn (hartnn):
yes, but its cyclic too a. (bXb) and bXb =0
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OpenStudy (dls):
cyclic? and yep i know b x b =0
hartnn (hartnn):
like [a b b] = [ b b a] = [b a b] |dw:1382776726562:dw|
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