Question: Prevent maple for evaluating complex numbers



I have this expresssion:


int(sqrt(1+(diff(f(x), x))^2), x = 0 .. 17)

I know the result is:



But it takes 13 minutes for maple to get to that solution, and i do not need the part with the I, complex number.


Is there any way to make maple evaluate this expression without computeing the complex number? A setting in generel, or some function to put the expression into?


Thanks in advance!


Emil Kristensen

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