Solution: The expression \( \left| \mathbf{v} \cdot (\mathbf{w} \times \mathbf{u}) \right| \) depends on the magnitude of the binormal vector. Compute \( \mathbf{w} \times \mathbf{u} = \left\langle -1, -2, 1 \right\rangle \), so

Fri, 17 Apr 2026 18:25:07 +0000

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