求∫(x^2/√x+1/x+ sinx)dx.

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

求int dfrac (x+1)(xsqrt {x-4)}dx.求.

int dfrac (x+1)({x)^2+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

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

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

4.求定积分int_(-2)^2(x+|x|)/(2+x^2)dx.4.求定积分$\int_{-2}^{2}\frac{x+|x|}{2+x^{2}}dx$.

3.已知函数f(x )= {x)^2,xgt 1f(x+1)dx.

计算定积分(int )_(0)^1dfrac (x)(x+1)sqrt (1-{x)^2}dx.计算定积分.

求定积分(int )_(-1)^1((x)^2+2x-3)dx.求定积分.