InterviewSolution
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यदि `veca = 3 hati - 2 hatj + 2 hatk , vec b = hati - hatj + hatk ` और ` vecc = 3 hati - hatj + 3 hatk ` तो ` veca .( vecb xx vec c)` ज्ञात कीजिए । |
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Answer» ` veca .( vecb xx vecc ) = [ vec a " " vec b" " vecc ]` ` =|{:( 3,-2,2),( 1,-1,1) ,( 3,-1,3):}|` ` = 3 (-3 +1) + 2 ( 3-3 ) + 2 (-1+3)` `=- 6 +0+ =-2` |
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