You know, I was just playing around and noticed something. I am sure you all
have thought of this before, but I just 'discovered this'. I always integrated
by the polar method.
But if we use gamma it is easy.
we can use the definition:
Since is even, we get
I know, I know, it's obvious to you all and older than Moses. But I had not
thought about using gamma before for this famous integral and it just
dawned on me. I always just used the old polar thing and never worried
about another method. Stuck in that rut, I reckon. But, if there are those
out there who like this, here it is.