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Given, two vectors are hati - hatj and h...

Given, two vectors are `hati - hatj` and `hati + 2hatj`, the unit vector coplanar with the two vectors and perpendicular to first is:

A

`pm(1)/(sqrt(2)) (i+j)`

B

`(1)/(sqrt(2))(i+k)`

C

`(1)/(sqrt(5)) (2i+j)`

D

none

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The correct Answer is:
A
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ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (3) (MULTIPLE CHOICE QUESTIONS)
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  13. [abi]i+[abj]j+[abk]k is a equal to

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