## anonymous 5 years ago is it possible for an unbounded region to have a finite area? Can you give me examples.

1. anonymous

$I=\int\limits_{-\infty}^{+\infty}e ^{-x^2}dx = \sqrt{\pi}$ Bell-Shaped Curve. This calculation involves improper integral, double integral, and changing variables to polar coordinates (Calc II & III materials)