New posts in Multiple Integral

Close-form for triple integral $ \int_0^c \int_0^b \int_0^a \sqrt{x^2+y^2+z^2} dx dy dz$

Numerically evaluating $\iiint_{C} \frac{ {\rm d}x \, {\rm d}y \, {\rm d}z}{x^2 +y^2 + z^2}$

Double integral comes out different after changing $dx$ with $dy$.

Evaluating the double integral $\int_0^\infty d a \int_0^\infty d b\ \frac{ \sin(x a) \sin( y b ) }{a+b}$.

Prove $\int_{0}^{\pi/2} \int_{0}^{\pi/2} \frac{\theta\cot\theta-\varphi\cot\varphi}{\cos\theta-\cos\varphi} \text{d}\varphi\text{d}\theta = \pi\ln2$

Surface integral over a cylinder problem

Asymptotic bound for $\int_0^\infty \int_0^\infty (x+y)^m e^{-\frac{x^2}{2i} - \frac{y^2}{2j}} dx\, dy\;$ for $i$ and $j$ large

Finding the Center of Mass of a disk when a part of it is cut out.

Limits of integration on double integrals

How $dxdy$ becomes $rdrd\theta$ during integration by substitution with polar coordinates