2.计算定积分int_(0)^1ln(1+sqrt(x))dx.2.计算定积分$\int_{0}^{1}\ln(1+\sqrt{x})dx$.
计算定积分(int )_(1)^edfrac (ln x)(x)dx.计算定积分
计算定积分(int )_(1)^edfrac (2+ln x)(x)dx.计算定积分.
求不定积分 int (e^arctan x + 2x ln (1 + x^2))/(1 + x^2) dx.求不定积分 $\int \frac{e^{\arct
15.计算定积分I=int_(1)^3|x-2|dx.15.计算定积分$I=\int_{1}^{3}|x-2|dx$.
140.(2023·安徽)计算定积分int_(-1)^1((1-e^x)/(1+e^x)+xe^x)dx.140.(2023·安徽)计算定积分$\int_{-1
计算定积分 (int )_(0)^1(2x+1)dx.
17.计算定积分int_(0)^sqrt(2)(x^2)/(sqrt(4-x^2)) dx.17.计算定积分$\int_{0}^{\sqrt{2}}\frac{
求不定积分int dfrac (1)(2x)sqrt (ln x)dx=().int dfrac (1)(2x)sqrt (ln x)dx=int dfrac
求定积分 int_(1)^e (ln x)/(x)dx ( )。A. 1B. $\frac{1}{2}$C. $-\frac{1}{2}$D. -1