Find the second derivative of function y = sqrt(x^2 +1).

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The second derivative of Sqrt(x^2+1)

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y = 4x/sqrt(x+1), Find the first and second derivatives of the function.

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Take 1st and 2nd derivative of a square root function using the chain, power, and product rules

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y = sqrt(x^2 + 1), Find the first and second derivatives of the function.