∣A→×B→∣|\overrightarrow{\mathrm{A}} \times \overrightarrow{\mathrm{B}}|∣A×B∣
∣Aˉ⋅B⃗∣|\bar{A} \cdot \vec{B}|∣Aˉ⋅B∣
AB\mathrm{AB}AB
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