(13)int(dx)/(xsqrt(x^2)-1);

(2) int xsqrt (x-1)dx;

int dfrac (dx)(xsqrt {{x)^2-1}}=____________________________

(37 ) int dfrac (dx)(xsqrt {{x)^2-1}} ,

37 int dfrac (dx)(xsqrt {{x)^2-1}}

(37) int dfrac (dx)(xsqrt {{x)^2-1}}

(9) int dfrac (1)(xsqrt {{x)^2-1}}dx

(int )_(1)^edfrac (dx)(xsqrt {1-{(ln x))^2}}..

求(int )_(1)^+infty dfrac (dx)(xsqrt {2{x)^2-1}}=求

int_(1)^e^2 ((rm dx)/(xsqrt(1+ln x)) )$\int_{1}^{e^2} {\frac{\rm dx}{x\sqrt{1+\l

求int xsqrt (x-1)dx.求.