Using vectors, find the area of the triangle \( \mathrm{ABC} \) wit... VIDEO
Using vectors, find the area of the triangle \( \mathrm{ABC} \) with vertices \( \mathrm{A}(1,2,3) \), \( \mathrm{B}(2,-1,4) \) and \( \mathrm{C}(4,5,-1) \).https://bit.ly/YTAI_PWAP https://www.pw.live
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