Code : Tout sélectionner
4>> integrate(x^(5/2)/(b*x+a)^(5/2),x)
2*(2*((9*b^4*a*1/36/b^5/a*sqrt(x)*sqrt(x)+60*b^3*a^2*1/36/b^5/a)*sqrt(x)*sqrt(x)+45*b^2*a^3*1/36/b^5/a)*sqrt(x)*sqrt(a+b*x)/(a+b*x)^2+10*a/4/b^3/sqrt(b)*ln(abs(sqrt(a+b*x)-sqrt(b)*sqrt(x))))
// Time 0.04
5>> integrate((x/(b*x+a))^(5/2),x)
Warning, integration of abs or sign assumes constant sign by intervals (correct if the argument is real):
Check [abs(x*b+a)]
Code : Tout sélectionner
0>> integrate(exp(-b*x-a)*(b*x+a)^4*(d*x+c)^3,x)
Done
// Time 0.01
1>> integrate((b*x+a)^4*(d*x+c)^3*exp(-b*x-a),x)
^CCtrl-C pressed (pid 21656)
Stopped by user interruption. Error: Bad Argument Value
Evaluation time: 17.39
"Stopped by user interruption. Error: Bad Argument Value"
// Time 17.39