QUESTION

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If $\mathbf{u}, \mathbf{v}$ and $\mathbf{w}$ are vectors in three-dimensional space, which of the following are true? $(3 \mathbf{u}) \times \mathbf{v}=3(\mathbf{u} \times \mathbf{v})$ $(\mathbf{u} \times \mathbf{v}) \times \mathbf{w}=\mathbf{0}$ $\mathbf{w} \times \mathbf{w}=\mathbf{0}$ $(\mathbf{u}+\mathbf{v}) \times \mathbf{w}=\mathbf{u} \times \mathbf{w}+\mathbf{v} \times \mathbf{w}$ $\mathbf{u} \times \mathbf{v}=\mathbf{v} \times \mathbf{u}$ $\mathbf{u} \times(\mathbf{v}+\mathbf{w})=\mathbf{u} \times \mathbf{v}+\mathbf{u} \times \mathbf{w}$ $\mathbf{u} \times \mathbf{v}=-\mathbf{v} \times \mathbf{u}$ $(\mathbf{u} \times \mathbf{v}) \times \mathbf{u}=\mathbf{0}$ $\boldsymbol{v} \mathbf{u} \times \mathbf{0}=\mathbf{0}$.

Public Answer

Z9S6WL The First Answerer