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Question: integrate in infinity

Question:integrate in infinity

samiyare 195 Maple
infinity
August 03 2011
0

hi,

please Help me in the following code :

 


> restart;
i:=0;
             
u[i](s):=A+B*s-C*exp(-s);
              
lambda(s,x):= -(1/2)*(s-x)^2;
                    

tre(s,x):=lambda(s,x)*(diff(u[i](s), s, s, s)+1-(diff(u[i](s), s))^2);



> int(tre(s, x), s = -infinity .. x);
                       

 

what is mistake?
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