if A, B, C are vectors from origin to the points A, B, C show that the following is perpendicular to the plane ABC: (AxB) + (BxC) + (CxA)(adsbygoogle = window.adsbygoogle || []).push({});

I am having trouble setting up the problem. I cant understand the vector A, B, C. is vector A = Ai + Aj + Ak? and so on?

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# Homework Help: Showing vector is perpendicular to the plane

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