"අවකලනය" හි සංශෝධන අතර වෙනස්කම්
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23 පේළිය:
(2) - (1)
:<math>{\partial y} = f (x+ \partial x) - f (x).</math>
lim <sub>δx→0</sub>
:<math>\frac{\partial x}{\delta\y} = lim <sub>\partial x→0</sub> \frac{f (x + \partial x) - f (x)} {\partial y}.</math> :<math>\frac{\partial u}{\partial t} = \alpha\frac{\partial^2 u}{\partial x^2}.</math>
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