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y= "tan"^(-1)x then find (d^2y)/(dx^(2))...

`y= "tan"^(-1)x` then find `(d^2y)/(dx^(2))`.

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To find the second derivative of the function \( y = \tan^{-1}(x) \), we will follow these steps: ### Step 1: Find the first derivative \( \frac{dy}{dx} \) Using the known derivative of the inverse tangent function, we have: \[ \frac{dy}{dx} = \frac{1}{1 + x^2} \] ...
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