vault backup: 2026-05-24 20:13:08
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@@ -15,4 +15,10 @@ Properties:
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- Anti-commutative $$ u \times v = -(v \times u) $$
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- On self $$ a \times a = 0 $$
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The magnitude of the cross product of two vectors can be found with $$||u \times v|| = ||u|| * ||v|| * \sin(\theta)$$
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The magnitude of the cross product is equal to the
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The magnitude of the cross product is equal to the area of the parallelogram formed with two adjacent sides as the vectors.
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### Triple Scalar Product
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Find the Determinant of:
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$$u * (v \times w) = \begin{vmatrix} u_{1} && u_{2} && u_{3} \\ u_{1} && u_{2} && u_{3} \\ u_{1} && u_{2} && u_{3} \end{vmatrix}$$
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The triple scalar product can also be found by finding the cross product of $v$ and $w$ and then taking the dot product of the resulting vector and $u$.
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$$u * (v \times w) = (u \times v) * w $$
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The triple scalar product is equal to the volume of the parallelpiped where each vector represents one adjacent edge.
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