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The unit vector which is orthgonal to th...

The unit vector which is orthgonal to the vector `veca=3hati+2hatj+6hatk` and is coplanar with the vectors `vecb=2hati+hatj+hatk and vecc=hati-hatj+hatk` is :

A

`(2hati-6hatj+hatk)/(sqrt41)`

B

`(2hati-6hatj)/(sqrt13)`

C

`(3hatj-hatk)/(sqrt10)`

D

`(4hati-3hatj-3hatk)/(sqrt34)`

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-UNIT TEST PAPER NO. 6 (THREE - DIMENSIONAL GEOMETRY, VECTORS & PROBABILITY)-Select the correct answer
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