| Author |
Comment/Response |
Forum Moderator
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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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