What is the unit vector that is normal to the plane containing $(- 3 i + j - k)$ $(- 3 i + j -k)$ and $(3 i + 4 j - k)$ $(3i + 4j - k)$ ?

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Answer 1 · 2016-02-16T04:18:18

follow the hints

Pl find the cross product of two given vectors and the find the unit vector of the product..

What is the unit vector that is normal to the plane containing (−3i+j−k)(- 3 i + j -k) and (3i+4j−k)(3i + 4j - k)?