How to calculate second derivative using definition?
45363
Show that both mixed partial derivatives exist at the origin but are not equal
146888
Derivative of function with 2 variables
125615
Defining the derivative without limits
84597
Derivative of $(1-x)^{-2}$
75216
What is the derivative of this?
125738
Names of higher-order derivatives
125774
Derivative of $a^x$ from first principles
111674
Stuck calculating the derivative of $f(x)=\log_{10}{\frac{x}{1+\sqrt{5-x^2}}}$.
139322
Derivative of a factorial
134871
Using definition of derivative to differentiate $f(x)= \sqrt{x}+1$
118012
Meaning of different Orders of Derivative
105767
derivative under integral intuition
60897
Non-integer order derivative
27884
How to show via induction the product rule for derivatives?
100007
Express partial derivatives of second order (and the Laplacian) in polar coordinates
96880
How to obtain Hamiltonian formalism and phase space for Lagrangian with second-derivatives?
40549
How to proof the the derivative of $x^2$ is $2x$?