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If vec a= vec p+ vec q , vec pxx vec b=...

If ` vec a= vec p+ vec q , vec pxx vec b=0a n d vec qdot vec b=0,` then prove that `( vec bxx( vec axx vec b))/( vec bdot vec b)= vec qdot`

A

`vec q`

B

`vec q`

C

`vec p xx vec q`

D

none of these

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A DAS GUPTA-Product of three or more Vectors-Exercise
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