Second derivative of class $C^2$ expressed as limit
30723
Second derivative "formula derivation"
125774
Derivative of $a^x$ from first principles
8844
Higher-order partial derivatives w.r.t. variable raised to some power
9924
Derivative of conjugate multivariate function
33949
Leibniz Rule for Covariant derivatives
101037
The given limit is a derivative, but of what function and at what point?
132957
Prove that the derivative of $x^w$ is $w x^{w-1}$ for real $w$
156942
Square of a second derivative is the fourth derivative
64437
Proof by induction (power rule of the derivative)
128795
$n$th derivative of $e^x \sin x$
150626
General formula or a pattern for the $n$th derivatives of $e^{f(x)}$?
117338
Counterexample to second derivative test when f''(x) is not continuously differentiable
124459
$n^{th}$ derivative of a tetration function
5167
Finding the limit that involves Fourier coefficients,
75932
Differentiability of $g:=f(\sqrt{x^2+y^2})$ for a $C^1$ function with $f'(0)=0$ NBHM $2008$
75705
Finding derivative of $\sqrt[3]{x}$ using only limits
148759
The Radon-Nikodym derivative of a measure such that $|\int f'\,d\mu|\le \|f\|_{L^2}$ for $f\in C^1$