The unit vector parallel to the resultant of the vectors
A-1-2j-k and B = 2i +4j-k is?
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Explanation:
If two vectors are parallel to each other then their cross product is zero
A×B = |-1 -2 -1|
|2+4-1 |
=i^(-2-4)-j^(-1-2)+k^(-4-4)
=-6i^+3j^-8k^
A×B=-6i^+3j^-8k^
l hope it's helpful to you
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