The dot products of vector with the vectors (i+j-3k), (i+3j-2k) and (2i+j+4k) are 0,5,8 respectively. Find the vector.
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20
vector is i+2j+k please refer to the pic for solution
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Tina2015:
please delete this answer, it has a fault. sorry
determinant A has the value 21
therefore a should be 1
Answered by
6
here is the answer
plzz check the above pic
hope i t will help you guys
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