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In this video I find the magnitude=? of the cross product of vectors AxB=? given A=3i-2j-5k and B=i+4j-4k using 2 method. Method 1: |AxB|=|C|=ABsin(theta)=?, Method 2: using matrices.

Next video in the series can be seen at:
https://youtu.be/3r7eTsmZDUw