1.

If the vectors \[3\,\mathbf{i}+2\,\mathbf{j}-\mathbf{k}\]and \[6\,\mathbf{i}-4x\mathbf{j}+y\mathbf{k}\] are parallel, then the value of x and y will be          [RPET 1985, 86]

A. 1, ? 2
B. 1, ? 2
C. 1, 2        
D. 1, 2
Answer» B. 1, ? 2


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