∫(lnx)/(x)dx．

13.(简答题) 求不定积分int((3+2lnx)^2)/(x)dx.13.(简答题) 求不定积分$\int\frac{(3+2lnx)^{2}}{x}dx$

int cos (ln x)dx..

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

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

[题目] int cos (ln x)dx.

int dfrac (arcsin sqrt {x)}(sqrt {x)}dx..

求int xsqrt (x-1)dx.求.

[主观题]d(sin2x+cosx)=_________dx.

求∫(x^2/√x+1/x+ sinx)dx.

∫(x+1)/((x)^2-2x+5)dx．$∫\frac{x+1}{{x}^{2}-2x+5}dx$．