Proof of the derivative of a quadratic form
489
How to take the gradient of the quadratic form?
46308
Simultaneous diagonlisation of two quadratic forms, one of which is positive definite
71437
How is the derivative of $\textrm{Trace}\left\{ X^T A X B\right\}$ with respect to $X$ equal to $AXB + A^TXB^T$?
54244
Understanding the Proof of L'Hopital's Rule
107290
proof of product rule of derivatives using first principle?
131769
How to derive this second derivative using the quotient rule?
59911
Looking for help with a proof that n-th derivative of $e^\frac{-1}{x^2} = 0$ for $x=0$.
7164
Proof of Darboux's theorem
9003
prove $\frac{1}{2}\mathbf{\nabla (u \cdot u) = u \times (\nabla \times u ) + (u \cdot \nabla)u}$ using index notation
111470
Proof of differentiability of $f(x)$
63410
Proof on showing if F(x,y,z)=0 then product of partial derivatives (evaluated at an assigned coordinate) is -1
153816
Real Roots and Differentiation
158576
Derivation of the quadratic equation
36990
Notation of the second derivative - Where does the d go?
75548
second derivative of the inverse function
134871
Using definition of derivative to differentiate $f(x)= \sqrt{x}+1$
45811
How to prove that r is a double root if and only if it is a root of a polynomial and of its derivative.