Difference between revisions 26979180 and 30006624 on enwiki

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Derivative (examples)
{{background|derivative}}

===Example 1===
Consider ''f''(''x'') = 5:

: <math>f'(x)=\lim_{h\rightarrow 0} \frac{f(x+h)-f(x)}{h} = \lim_{h\rightarrow 0} \frac{5-5}{h} = 0</math>

The derivative of a [[constant function]] is [[0 (number)|zero]].
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|<math> = \frac{1}{4 x \sqrt{x}}</math> 
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(<math>\sqrt{x}</math> has 2 answers that only differ in sign, so it doesn't matter which sign we put in front of the end result.)

[[Category:calculus]] [[Category:Mathematical notation]]
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[[fr:Exemples de calcul de dérivée]]