Unit vector perpendicular to the plane of the triangle \( A B C \) with position vectors of the ... VIDEO
Unit vector perpendicular to the plane of the triangle \( A B C \) with position vectors of the vertices \( A, B, C \) is (where \( \Delta \) is the area of the triangle \( A B C \) ).https://bit.ly/YTAI_PWAP https://www.pw.live
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