int dfrac (1+ln x)({(xln x))^2}dx.

(6) int dfrac (1+ln x)({(xln x))^2}dx

求不定积分int (x)^2(ln x-dfrac (1)(1+{x)^2})dx.求不定积分.

求不定积分int dfrac (1)(2x)sqrt (ln x)dx=（）.int dfrac (1)(2x)sqrt (ln x)dx=int dfrac

int ((x)^2-1)sin 2xdx.-|||-18. int dfrac ({ln )^3x}({x)^2}dx.

(int )_(1)^edfrac (ln x)(x)dx..

(int )_(1)^esin (ln x)dx.

int dfrac (x+1)({x)^2+x+1}dx.

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

int dfrac (1)(x{ln )^2x}dx

int dfrac (ln x-1)({x)^2}dx=______________________