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- #1

We define the triple vector product as

$$

\mathbf{b}\times(\mathbf{b}\times\mathbf{c}) = (\mathbf{b}\cdot\mathbf{c})\mathbf{b} - b^2\mathbf{c}

$$

Can this be simplified further? We don't know if b and c are orthogonal just that they are linearly independent.