Evaluate \int_{ - \infty }^{ + \infty } {\left( {\frac{{\sin x}}{x}} \right)^2 \,dx} .
L ~L! New member Joined Dec 1, 2007 Messages 1 Dec 1, 2007 #1 Evaluate \(\displaystyle \int_{ - \infty }^{ + \infty } {\left( {\frac{{\sin x}}{x}} \right)^2 \,dx} .\)
Evaluate \(\displaystyle \int_{ - \infty }^{ + \infty } {\left( {\frac{{\sin x}}{x}} \right)^2 \,dx} .\)
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,216 Dec 1, 2007 #2 See here: http://www.mathhelpforum.com/math-help/ ... #post89154