
Re: Rubi 4.5 released
Posted:
Jun 23, 2014 7:16 AM


clicliclic@freenet.de schrieb: > > [...] The alternative would be to use variable substitution; one way > is described by Charlwood, another is to apply the substitution t = > SQRT(x + 1)  SQRT(x), SQRT(x) = (1  t^2)/(2*t), dx = (t^4  1)/ > (2*t^3)*dt to the integral: > > INT(SQRT(SQRT(x))*SQRT(SQRT(x + 1)  SQRT(x))/SQRT(x + 1), x) >
Oops, this should have been the original integrand:
INT(SQRT(SQRT(x)*(SQRT(x + 1)  SQRT(x)))/SQRT(x + 1), x)
Martin.

