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@ -676,8 +676,8 @@ $`\displaystyle\dfrac{d\left(\overrightarrow{OM}\right)(t)}{dt} |
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=\lim_{\Delta t\rightarrow 0} |
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\left( |
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\dfrac{\overrightarrow{OM}(t+\Delta t)-\overrightarrow{OM}(t))}{\Delta t} |
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\right)`$$`=\dfrac{\overrightarrow{OM}(t+dt)-\overrightarrow{OM}(t))}{dt} |
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\right)`$ |
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$`=\dfrac{\overrightarrow{OM}(t+dt)-\overrightarrow{OM}(t)}{dt}`$ |
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