find y-x such that the vectors a=xi+4j-8k and b=2i+j+4k are collinear
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a, b are collinear vectors
Therefore Xi +4j-8k =v( 2i+j+y k )
X=2v , 4= v , -8=y v
X=8
Y= -2
Xy =-16
After corrections in the question
Therefore Xi +4j-8k =v( 2i+j+y k )
X=2v , 4= v , -8=y v
X=8
Y= -2
Xy =-16
After corrections in the question
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