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Question: why same integrand gives different output from int?

Question:why same integrand gives different output from int?

nm 10436 Maple 2020
int
April 21 2020
1

Could some Maple expert please explain this strange behavior of int? Using Maple 2020 on windows 10



Same integrand. But in one case exp(arcsin(x)) and in another exp(1)^arcsin(x). Why one worked and not the other?

Here is the code

restart;
integrand1 := (x^3*exp(arcsin(x)))/sqrt(1 - x^2);
integrand2 := (x^3*exp(1)^arcsin(x))/sqrt(1 - x^2);
simplify(integrand1-integrand2);
int(integrand1,x);
int(integrand2,x)

 

Download bug.mw

 

 
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