Y'=-x^2 +2 /(x^2 + 2)^2 need 2nd derivative for concavity I need it for roots so i only need the top(numerator) i get to a certain point but cant seem to factor it... ughh please help
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Originally Posted by Calculus23 Y'=-x^2 +2 /(x^2 + 2)^2 need 2nd derivative for concavity I need it for roots so i only need the top(numerator) i get to a certain point but cant seem to factor it... ughh please help what is the original function, y ?
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