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Answers for “分配律与线性有什么关系?”

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Yes, the dot product distributes over vector addition. This means a⋅(b+c)=a⋅b+a⋅c\mathbf{a} \cdot (\mathbf{b} + \mathbf{c}) = \mathbf{a} \cdot \mathbf{b} + \mathbf{a} \cdot \mathbf{c}.

Conditions: The vectors are in a real inner product space.; The operation is the standard dot product.