求int xsqrt (x-1)dx.

求int dfrac (x+1)(xsqrt {x-4)}dx.求.

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

4.求不定积分int(x+1)/((x-1)(x^2)+1)^(2)dx.4.求不定积分$\int\frac{x+1}{(x-1)(x^{2}+1)^{2}}d

设(x)=arcsin ((x-1))^2 (0)=0, 求 (int )_(0)^1f(x)dx.

【65】int(x^2+1)/((x+1)^2)(x-1)dx.【65】$\int\frac{x^{2}+1}{(x+1)^{2}(x-1)}dx$.

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

求(int )_(-1)^1xln (1+(e)^x)dx.求.

求不定积分int(x)/(1+cos x)dx.19.（5.0分）求不定积分$\int\frac{x}{1+\cos x}dx$.

求不定积分int dfrac (1)(xsqrt {{x)^2-1}}dx。求不定积分。

求定积分(int )_(-1)^1((x)^2+2x-3)dx.求定积分.