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September 5, 2015
Posted by **Farah** on Friday, October 29, 2010 at 6:48am.

Is the 1st derivative f'(x)= -x-1/(x-1)^3

- Math - derivative of a rational function -
**Reiny**, Friday, October 29, 2010 at 7:53amyes , but you need brackets like this

(-1-x)/(x-1)^3