Mark (√) against the correct answer in each of the following:

The unit vector normal to the plane containing and is


Given -


To find – A unit vector perpendicular to the two given vectors.


Formula to be used - where and


Tip – A vector perpendicular to two given vectors is their cross product.


The unit vector of any vector is given by


Hence,




, which the vector perpendicular to the two given vectors.


The required unit vector

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