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If the volume of parallelopiped with coterminous edges 4hati+5hatj+hatk, - hatj+hatk and 3hati+9hatj+phatk is 34 cu units, then p is equal to |
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Answer» Solution :SINCE, volume of parallelopiped `=34` `:. |(4,5,1),(0,-1,1),(3,9,p)|=34` `IMPLIES 4(-p-9)-5(-3)+1(3)=34` `implies -4p-36+15+3=34` `implies 4p=-52` `implies p=-13` |
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