A unit vector perpendicular to the plane of \[a=2i-6j-3k\], \[b=4i+3j-k\] is [MP PET 2000]

A unit vector perpendicular to the plane of \[a=2i-6j-3k\], \[b=4i+3j-

1.	A unit vector perpendicular to the plane of \[a=2i-6j-3k\], \[b=4i+3j-k\] is [MP PET 2000]
A.	\[\frac{4i+3j-k}{\sqrt{26}}\]
B.	\[\frac{2i-6j-3k}{7}\]
C.	\[\frac{3i-2j+6k}{7}\]
D.	\[\frac{2i-3j-6k}{7}\]
Answer» D. \[\frac{2i-3j-6k}{7}\]

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A unit vector perpendicular to the plane of \[a=2i-6j-3k\], \[b=4i+3j-k\] is [MP PET 2000]

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