Question

I want these answers nobody is not giving ans

Answer 1

Answer:

Step-by-step explanation:

take  a = 2i-3j+4k

         b =-4i+6j-8k =-2(2i-3j+4k)

         b = -2a

one of the vectors is in the form of product of scalar and one vector

then the two vectors are collinear

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