Question: How to calution a integration limit variable equation?


I am facing a problem to calculate the variable "al" in a equation like shown below.

fe := int(sqrt(1+(-5.557990765*sin(5.557990765*x)-7.3*cos(5.557990765*x)-5.6*sinh(5.557990765*x)+7.3*cosh(5.557990765*x))^2), x = 0 .. al) = .5

Is there any method in maple to solve it even through using numeric methods.

I'm forward to your response.

Thank you very much!

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