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September 19, 2014

September 19, 2014

Posted by **Akash** on Friday, June 10, 2011 at 1:25am.

- Class 12th Calculus -
**Reiny**, Friday, June 10, 2011 at 8:05amuse the product rule

dy/dx = (x-1)(1/(x-1)) + log(x-1) - [ (x+1)(1/(x+1)) + log(x+1) ]

= 1 + log(x-1) - 1 - log(+1)

= log [(x-1)/(x+1)]

= RS , had you typed it correctly as log((x-1)/(1+x))

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