🚧 under construction
Last updated 2 years ago
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⟩ ⟩ ⟩ ⟩ 倒數 (reciprocal)
q−1=q‾∥q∥2\mathbf{q}^{-1} = \dfrac{\mathbf{\overline{q}}}{\|\mathbf{q}\|^2}q−1=∥q∥2q
🎖 證明:由「」可得。