I thought the answer was -x/(sqrt(1-x^2)) a site posted -2x / (sqrt(1-x^2))
related to an answer for: Derivative of -4 -sqrt(9 -x^2).
asked Jun 28, 2013 in Calculus Answers by anonymous
the ans. will be :
-x / sqrt.[ (1-x^2)]
Its impossible to have this ans. -2x / (sqrt(1-x^2))
pls send the site address where u got this answer....

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1 Answer

and you are right...they probably forgot to derivate x^2
answered Jun 30, 2013 by anonymous

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