1.

If \[\mathbf{a}=2\mathbf{i}+2\mathbf{j}-\mathbf{k}\] and \[\mathbf{b}=6\mathbf{i}-3\mathbf{j}+2\mathbf{k},\] then the value of \[\mathbf{a}\times \mathbf{b}\] is [MNR 1978; RPET 2001]

A. \[2\mathbf{i}+2\mathbf{j}-\mathbf{k}\]
B. \[6\mathbf{i}-3\mathbf{j}+2\mathbf{k}\]
C. \[\mathbf{i}-10\mathbf{j}-18\mathbf{k}\]
D. \[\mathbf{i}+\mathbf{j}+\mathbf{k}\]
Answer» D. \[\mathbf{i}+\mathbf{j}+\mathbf{k}\]


Discussion

No Comment Found

Related MCQs