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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

`1/sqrt(2)(hati +hatj)`

B

`1/sqrt(2)(2hati + hatj)`

C

`+-1/sqrt(2)(hati +hatj)`

D

None of these

Text Solution

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The correct Answer is:
A
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