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A unit vector coplanar with i+j+2k and i...

A unit vector coplanar with i+j+2k and i+2j+k and perpendicular to i+j+k is

A

`+- 1/2 (j+k)`

B

`+-1/sqrt (-j-k)`

C

`+-1/sqrt2(j-k)`

D

`+- 2/sqrt2(j-k)`

Text Solution

Verified by Experts

The correct Answer is:
C
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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