Differential Notation Magic in Integration by u-Substitution
3360
Is $\frac{\textrm{d}y}{\textrm{d}x}$ not a ratio?
138784
Is the differentiation operator an open mapping?
8432
Computing real integral using residues
45803
Integral of Derivative squared
27862
Symbols of derivatives
116718
Motivating the ansatz for the infinitesimal translation operator
105767
derivative under integral intuition
71945
How to reduce circuit elements of a decomposed $C^2(U)$ operation?
18565
Analogue for Maple's dchange - change of variables in differential expressions
18841
Ways to evaluate $\int \sec \theta \, \mathrm d \theta$
15947
Validity of Substitutions in Integrals
75577
Double integral over a typical region.
115712
Application of Derivatives rigorous proof
111725
On the absolute value of Jacobian determinant - variable transformation in multi-integral
3797
Approximate closed form of Integration involving a lot of terms
109187
The differences between Lagrange and Leibniz's derivative notations
155177
How do you write a differential operator as a matrix?