1. By the limit definition, _______

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Chia Chung

詳解 #5874196

2023/07/08

<Solution>d/dx...

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8. The temperature on the surface of a metal plate is T(x, y) =. The direction of the greatest increase in heat from point (3, 4) is_______； The rate of increase in the direction from point (3, 4) to point (6, 8) is _______.

1. By the limit definition, _______

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