- #1
Denver Dang
- 148
- 1
Homework Statement
1) Calculate the integral:
[tex]$\int_{-\infty }^{\infty }{{{\left( \frac{\sin \left( x \right)}{x} \right)}^{2}}dx}$[/tex]
2) Calculate the integral:
[tex]$\int_{-\infty }^{\infty }{{{\left( \frac{1-\cos \left( \lambda \pi \right)}{{{\lambda }^{2}}} \right)}^{2}}d\lambda }$[/tex]
Homework Equations
I think it has to be solved with finding the Fourier transform or something. I'm not quite sure...
The Attempt at a Solution
?
Well, I really don't know where to start.
Help ?