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![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Jan 2008 23:27:51 IST
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hii
well u can ask only one question ... neways .. most of the answers are already there .. lemme tell something more about the 2nd question ... the vector (b*c) is not in the plane of b and c .. infact perpendicular to that plain ...
now, since the dot product of a with (b*c) is zero .. a must be in plain of b and c
and hence the answer
cheers
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Puneet Agrawal
IIT Delhi
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this reply: 5 points
(with 1 
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