MathDB

11

Part of 1991 Arnold's Trivium

Problems(1)

Problem 11

Source:

7/1/2010
Investigate the convergence of the integral
∫−∞∞∫−∞∞dxdy1+x4y4\int_{-\infty}^{\infty}\int_{-\infty}^{\infty}\frac{dxdy}{1+x^4y^4}
calculusintegrationsymmetrylinear algebramatrix