Q. 25

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

The unit vector normal to the plane containing and is

A.

B.

C.

D.

Answer :

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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