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Evaluation and generalisation of $\int_0^\infty\int_0^\infty\sin y\frac{\operatorname{gd}(xy)}{\cosh(xy)}\mathrm dx\mathrm dy=\frac{\pi^3}{16}$

Multiplying two integrals becomes a double integral?

Does order of integration matter, while integrating over a cone?

Looking for where I went wrong: Finding the volume of a solid that lies within both a cylinder and sphere

Double Integral $\int\limits_0^1\!\!\int\limits_0^1\frac{(xy)^s}{\sqrt{-\log(xy)}}\,dx\,dy$

Find closed form for quadruple integral

Evaluate $\iiint_{[0,1]^3}\frac{dx\,dy\,dz}{(1+x^2+y^2+z^2)^2}$

A difficult double integral $\int_{0}^{1}\int_{0}^{1}\frac{x\ln x \ln y }{1-xy}\frac{dxdy}{\ln(xy)}$

Volume of a body bounded by a surface.

Volumes using triple integration

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

Integrate $\frac{R}{4 \pi^2}\int_{-\pi}^{\pi}\int_{-\pi}^{\pi} \frac{1-\cos(mx+ny)}{2-(\cos x + \cos y)} dx dy $

$\lim_{n\to\infty} \underbrace{\int_{0}^{1}\cdots \int_{0}^{1}}_{n}\frac{x_1^{505}+\cdots +x_n^{505}}{x_1^{2020}+\cdots +x_n^{2020}}dx_1\cdots dx_n$ [duplicate]

Integrate $e^{\frac{x-y}{x+y}}$ over the triangle bounded by $x=0$, $y=0$, and $y=1-x$

New posts in multiple-integral

Double Integral $\int\limits_0^a\int\limits_0^a\frac{dx\,dy}{(x^2+y^2+a^2)^\frac32}$

Can you help me solve this triple integral?

Evaluate the volume bounded by $z=1-x^2-y^2$ and $z=1-y.$

Equating the integrals of 1/(1-xy) and 2/(1+xy) by elementary calculus?

Double integral in polar coordinates (trouble with boundaries)

Why the answer for double integral is coming as zero?

Evaluation and generalisation of $\int_0^\infty\int_0^\infty\sin y\frac{\operatorname{gd}(xy)}{\cosh(xy)}\mathrm dx\mathrm dy=\frac{\pi^3}{16}$

Multiplying two integrals becomes a double integral?

Does order of integration matter, while integrating over a cone?

Looking for where I went wrong: Finding the volume of a solid that lies within both a cylinder and sphere

Double Integral $\int\limits_0^1\!\!\int\limits_0^1\frac{(xy)^s}{\sqrt{-\log(xy)}}\,dx\,dy$

Find closed form for quadruple integral

Evaluate $\iiint_{[0,1]^3}\frac{dx\,dy\,dz}{(1+x^2+y^2+z^2)^2}$

A difficult double integral $\int_{0}^{1}\int_{0}^{1}\frac{x\ln x \ln y }{1-xy}\frac{dxdy}{\ln(xy)}$

Volume of a body bounded by a surface.

Volumes using triple integration

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

Integrate $\frac{R}{4 \pi^2}\int_{-\pi}^{\pi}\int_{-\pi}^{\pi} \frac{1-\cos(mx+ny)}{2-(\cos x + \cos y)} dx dy $

$\lim_{n\to\infty} \underbrace{\int_{0}^{1}\cdots \int_{0}^{1}}_{n}\frac{x_1^{505}+\cdots +x_n^{505}}{x_1^{2020}+\cdots +x_n^{2020}}dx_1\cdots dx_n$ [duplicate]

Integrate $e^{\frac{x-y}{x+y}}$ over the triangle bounded by $x=0$, $y=0$, and $y=1-x$