Finding the second derivative y = f (arctan1 / x) If I find the first derivative y '= - 1 / (X & # + 1) * f' (arctan1 / x), the second derivative will not. How can I derive f '' (arctan1 / x)? | Math enthusiast | Mathematical art

Finding the second derivative y = f (arctan1 / x) If I find the first derivative y '= - 1 / (X & # + 1) * f' (arctan1 / x), the second derivative will not. How can I derive f '' (arctan1 / x)?

How to find the approximate value of Ln (1.01) in higher numbers

Taylor expansion ln (1 + x) = x - x ^ 2 / 2 (ignored later) =
ln(1+0.01) = 0.01 - 0.0001/2 = 0.00995

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