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math121b:02-10 [2020/02/10 08:45] pzhou [Section 10.8] |
math121b:02-10 [2026/02/21 14:41] (current) |
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| - | $$\gdef\div{\text{div}} \gdef\vol{\text{Vol}} \gdef\b{\mathbf}$$ | + | $$\gdef\div{\text{div}} \gdef\vol{\text{Vol}} \gdef\b{\mathbf} \gdef\d{\partial}$$ |