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If veca, vecb, vecc are non-coplanar uni...

If `veca, vecb, vecc` are non-coplanar unit vectors such that `vecaxx(vecbxxvecc)=(vecb+vecc)/(sqrt(2))` then the angle between `veca` and `vecb` is

A

`pi/4`

B

`pi/2`

C

`pi`

D

`(3pi)/4`

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The correct Answer is:
D
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