This report is an exact duplicate of #2430. Closing it accordingly.
minimal example
integrate(f(sqrt(t^2-1)),t,1,2);
changevar(%,x-sqrt(t^2-1),x,t);
maxima question: Is x positive, negative, or zero?
answer:positive
wrong result: -integrate((x*f(x))/sqrt(x^2+1),x,0,sqrt(3))
expected result: integrate((x*f(x))/sqrt(x^2+1),x,0,sqrt(3))
There is an unexpected "-" side
Maxima version: 5.27.0
This report is an exact duplicate of #2430. Closing it accordingly.
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