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Question: Is it possible to simplify the output of sum(x^2, x=a..b0); ?

Question:Is it possible to simplify the output of sum(x^2, x=a..b0); ?

jean-jacques 39 Maple
simplify
November 14 2010
0 
Hello Maple experts,

I call "out"  the development of the sum(x^2, x=a..b):


"out":= sum(x^2, x=a..b);


            1        3   1        2   1     1   1  3   1  2   1  
out=     - (b + 1)  - - (b + 1)  + - b + - - - a  + - a  - - a
            3            2            6     6   3      2      6  


Is it possible to use the output  "out" to obtain the initial expression "sum(x^2, x=a..b)" ?.

I tried the comand "simplify" but obviously, it does nto work (as I want).


Thanks for your attention,


Jean-Jacques
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