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Dear all, I recently had to solve the following integral: A:=(x,m)->(-m^2-2*x*m+1)/(sqrt(x)*sqrt((m+x)^2-1)*(x+sqrt((m+x)^2-1))); IntegralA:=(m)->Int(A(x,m),x=0..infinity); When I used evalf(IntegralA(1)); I get -2.828427125 But when I use int(A(x,1),x=0..infinity); to get a symbolic answer I get a complicated expression involving the function MeijerG function. Mathematica, on the other hand gives -2sqrt(2) exactly for the symbolic value. Does anybody know why? I'm curious even though the decimal values are the same. I was using Maple 11 and Mathemtica (I think) 5. Regards, Drew
integral infinity

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