# The integral of the convolution between functions f

Hello there,

I am really struggling to prove that
"The integral of the convolution between functions f and gequals the product of their integrals", http://en.wikipedia.org/wiki/Convolution#Integration
Can anybody give me a hint?

Many thanks

micromass
Staff Emeritus
Homework Helper

What did you try?? Where are you stuck?

mathman