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(1+ ( 1)/(x))/(1-(1)/(x)) का अवकलन कीजि...

`(1+ ( 1)/(x))/(1-(1)/(x))` का अवकलन कीजिए ।

लिखित उत्तर

Verified by Experts

The correct Answer is:
` ( -2)/( (x-1)^(2))`
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