求不定积分int dfrac (1)(2x)sqrt (ln x)dx=().int dfrac (1)(2x)sqrt (ln x)dx=int dfrac
求:int dfrac (1-ln x)({(x-ln x))^2}dx求:
int dfrac (ln x-1)({x)^2}dx=______________________
int dfrac (1)(x{ln )^2x}dx
int dfrac (ln x)({(1+{x)^2)}^3/2}dx; ;
int ((x)^2-1)sin 2xdx.-|||-18. int dfrac ({ln )^3x}({x)^2}dx.
设 gt 0, 求 (int )_(-a)^asqrt ({a)^2-(x)^2}ln dfrac (x+sqrt {1+{x)^2}}(3)dx,
求int dfrac ({ln )^2sqrt (x)}(sqrt {x)}dx求
(int )_(1)^(e^2)dfrac (ln x)(sqrt {x)}dx= __
求lim _(xarrow infty )dfrac (ln (x+sqrt {{x)^2+1)}-ln (x+sqrt ({x)^2-1})}({({e)^d