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Find a unit vector in XY plane, which ma...

Find a unit vector in XY plane, which makes an angle of `45^@` with the vector `hat i +hat j` and an angle of `60^@` with the vector `3hat i – 4hat j`.

A

i

B

`(1)/(sqrt2) (i-j)`

C

`(1)/(sqrt2 ) (i+j)`

D

None of these

Text Solution

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The correct Answer is:
D
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