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Why is ∇\cdot(∇×\overrightarrow{A)} equal to 0 for any random vector field \overrightarrow A Also why is curl of a gradient always zero mathematically? |
| Answer» Why is ∇\cdot(∇×\overrightarrow{A)} equal to 0 for any random vector field \overrightarrow A Also why is curl of a gradient always zero mathematically? | |