[Tugindia] Re: Typesetting gamma function

[M.Kalidoss]

>> M.Kalidoss   
>> I want to typeset the following gamma function:
>> [gamma of (l) gamma of (m)  gamma of (n)] 
>> divided by 
>> [gamma of (1 + l + m + n) ]
>> My crude attempt was
>> \newcommand{\gf}[1]{\vert\!\overline{#1}} 
>> \[>> \frac{\gf{l}\gf{m}\gf{n}}{\gf{1+l+m+n}}\]

> David Kastrup 
> The normal way of typesetting this would be
> \frac{\Gamma(l) \, \Gamma(m) \, \Gamma(n)}{\Gamma(1+l+m+n)}

I require that the overline envelops the arguement, 
say (1+l+m+n), in this case.  That is how I have found
it in books.

M. Kalidoss