1.

What is the unit vector perpendicular to the plane of vectors vecA and vecB? If vecA=hati+2hatj-hatk and vecB=2hati+hatk, find a unit vector perpendicular to plane of vecA and vecB.

Answer»

SOLUTION :`HATN=(vecAxxvecB)/(|vecA XX vecB|), hatn=(2hati-3hatj-4hatk)/(SQRT(29))`


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