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Student Support Forum: 'Derivatives of a function' topicStudent Support Forum > General > "Derivatives of a function"

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09/27/98 8:36pm

>
> How do i find the derivative f'(x) of a function f(x)
> where f(x)=(x^2-1)/(x^2+1) for example?
>

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Use the built in function D:

In[1]:= D[(x^2-1)/(x^2+1),x]

2
-2 x (-1 + x ) 2 x
Out[1]= -------------- + ------
2 2 2
(1 + x ) 1 + x


Investigate the examples availble in the Help Browser.

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Author Date Posted
Derivatives of a function MPayne 09/27/98 7:53pm
Re: Derivatives of a function Forum Modera... 09/27/98 8:36pm
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