Conceptual question on substitution in integration
3360
Is $\frac{\textrm{d}y}{\textrm{d}x}$ not a ratio?
64417
Integration of $\int \frac{x^2+20}{(x \sin x+5 \cos x)^2}dx$
29296
Are there any special rules when making a substitution in an integral?
141024
Generalising integration by parts for the product of more than two functions
67186
Complex analysis integration question
102188
Addition is to Integration as Multiplication is to ______
48050
Notation problem in integration: write $dx$ or ${\mathrm{d}}x$?
120705
How to find integration with Unknown
140860
Variable substitution when integrating with Mathematica
40310
How to integrate $\frac{1}{\sqrt{1+x^2}}$ using substitution?
145136
When can we interchange the derivative with an expectation?
59617
Calculus Question - change order of integration
119695
Understanding the relationship between differentiation and integration
28540
Really advanced techniques of integration (definite or indefinite)
56394
What should be the limits in this integration
33164
Formal basis for variable substitution in limits
52293
The equivalence of definitions Riemann integral