diracdelta question



I withdraw the question.  

Rich


----- Original Message ----- 
From: "Richard Hennessy" <rvh2007 at comcast.net>
To: "Maxima List" <maxima at math.utexas.edu>
Sent: Monday, December 15, 2008 6:41 PM
Subject: diracdelta question


I have a case like this

f(x) = x^2

integrate(f(x)*diracdelta(x-9),minf,9);

and 

integrate(f(x)*diracdelta(x-9),9,inf)

I can make a case for both integral's being equal to 81 / 2.  Is that the official answer?

Rich


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