The unit vector perpendicular to both \[\mathbf{i}+\mathbf{j}\] and \[\mathbf{j}+\mathbf{k}\] is [Kerala (Engg.) 2002]

\[\frac{\mathbf{i}+\mathbf{j}-\mathbf{k}}{\sqrt{3}}\]

\[\frac{\mathbf{i}-\mathbf{j}+\mathbf{k}}{\sqrt{3}}\]

The unit vector perpendicular to both \[\mathbf{i}+\mathbf{j}\] and \[

1.	The unit vector perpendicular to both \[\mathbf{i}+\mathbf{j}\] and \[\mathbf{j}+\mathbf{k}\] is [Kerala (Engg.) 2002]
A.	i ? j + k
B.	i + j + k
C.	\[\frac{\mathbf{i}+\mathbf{j}-\mathbf{k}}{\sqrt{3}}\]
D.	\[\frac{\mathbf{i}-\mathbf{j}+\mathbf{k}}{\sqrt{3}}\]
Answer» E.

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The unit vector perpendicular to both \[\mathbf{i}+\mathbf{j}\] and \[\mathbf{j}+\mathbf{k}\] is [Kerala (Engg.) 2002]

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