1.

If `vecAxxvecB=vec0` and `vecBxxvecC=vec0`, then the angle between `vecA` and `vecC` may be:A. zeroB. `(pi)/(4)`C. `(pi)/(2)`D. None of these

Answer» Correct Answer - A
`vecAxxvecV-vec0rArrvecA||vecB`
`vecBxxvecC=vec0rArrvecN||vecC`
thus, `vecA` and `vecC` may be parallel.


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