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The vectors vec a , vec b , vec c are of...

The vectors `vec a , vec b , vec c` are of the same length and pairwise form equal angles. If `vec a = hat i + hat j and vec b = hat j + hat k` then `vec c` may be :

A

`i+k`

B

`-i+4j-k`

C

`-1/3i+4/3j-1/3k`

D

`1/3i+4/3j-1/3k`

Text Solution

Verified by Experts

The correct Answer is:
C
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MCGROW HILL PUBLICATION-VECTOR ALGEBRA-EXERCISE (Level-1 Single Correct Answer Type Questions)
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