The unit vector perpendicular to the vectors hat"i" - hat"j" and hat"i" + hat"j" forming a right handed system is ______.

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KollegeApply · Accepted Answer

The unit vector perpendicular to the vectors hat"i" - hat"j" and hat"i" + hat"j" forming a right handed system is hat"k". Explanation: Required unit vector is `((hat"i" - hat"j") xx (hat"i" + hat"j"))/|(hat"i" - hat"j") xx (hat"i" + hat"j")| = (2hat"k")/2 = hat"k"`.

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