It is possible to apply a derivative to both sides of a given equation and maintain the equivalence of both sides?
38003
Can we differentiate equations without changing the solutions?
13150
If the derivative of $f$ is never zero, then $f$ is one-to-one
24449
How discontinuous can a derivative be?
67791
Can I exchange limit and differentiation for a sequence of smooth functions?
119479
Derivative with respect to a 2-norm
100007
Express partial derivatives of second order (and the Laplacian) in polar coordinates
69010
Is there a way to evaluate the derivative of $x$! without using Gamma function?
135941
Derivative of $|x|^\alpha$
90325
Why use the derivative and not the symmetric derivative?
983
Use partial or covariant derivatives when deriving equations of a field theory?
145136
When can we interchange the derivative with an expectation?
85085
Simplifying the derivative of $|x|$
10508
Algebra: What allows us to do the same thing to both sides of an equation?
56275
Vector derivative w.r.t its transpose $\frac{d(Ax)}{d(x^T)}$
46567
Derivatives of inverse matrix
93967
Prove partial derivatives exist, but not all directional derivatives exists.
61975
How to assign up-values for `Derivative`?