InterviewSolution
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Show that |(a,b,c),(b,c,a),(c,a,b)|^(2)=|(c^(2)-a^(2)-b^(2),(ac-ab-bc),(bc-ab-ca),(ac-ab-bc,a^(2)-b^(2)-c^(2),ab-bc-ca),(bc-ab-ac,ab-bc-ca,b^(2)-a^(2)-c^(2))| |
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Answer» |
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