求不定积分int dfrac (1)(2x)sqrt (ln x)dx=().int dfrac (1)(2x)sqrt (ln x)dx=int dfrac
int dfrac (1)(sqrt {x)}ln sqrt (x)dx
求int dfrac ({ln )^2sqrt (x)}(sqrt {x)}dx求
(4) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx
(8) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx;
(8) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx
int ln (sqrt (1+{x)^2}-x)dx;
(int )_(e)^+infty dfrac (dx)(x{ln )^2x}= __
int dfrac (ln x-1)({x)^2}dx=______________________
int dfrac (1)(x{ln )^2x}dx