Difference between revisions of "Constant multiple rule for derivatives"

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==References==
 
==References==
* {{BookReference|Handbook of mathematical functions|1964|Milton Abramowitz|author2=Irene A. Stegun|prev=Minkowski's inequality for integrals|next=Sum rule for derivatives}}: 3.3.1
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* {{BookReference|Handbook of mathematical functions|1964|Milton Abramowitz|author2=Irene A. Stegun|prev=Minkowski's inequality for integrals|next=Sum rule for derivatives}}: $3.3.1$
  
 
[[Category:Theorem]]
 
[[Category:Theorem]]
 
[[Category:Unproven]]
 
[[Category:Unproven]]

Revision as of 17:21, 27 June 2016

Theorem

Let $f$ and $g$ be differentiable functions and $c$ a constant. Then the following formula holds: $$\dfrac{\mathrm{d}}{\mathrm{d}x} \left[cf(x) \right] = c f'(x),$$ where $\dfrac{\mathrm{d}}{\mathrm{d}x}$ denotes the derivative operator.

Proof

References