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(Solved): a. Consider vectors u and v. Find unit vector w in the direction of the cross product vector u v ...



a. Consider vectors u and v. Find unit vector w in the direction of the cross product vector u ? v. Express your answer using standard unit vectors.

u= <8,-1,2>, v=<2,0,1>

b. Consider vectors u and v. Find unit vector w in the direction of the cross product vector u ? v. Express your answer using standard unit vectors.

u = AB, v = AC,

where A(1, 0, 1), B(1, ?1, 7), and C(0, 0, 9)

calculate the determinant

student submitted image, transcription available below


\\( \\left|\\begin{array}{rrr}\\mathbf{i} & \\mathbf{j} & \\mathbf{k} \\\\ 1 & -1 & 9 \\\\ 2 & 0 & 3\\end{array}\\right| \\)


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