A. $1 - 2\ln 2$
B. $2 - \ln 2$
C. $2 - 2\ln 2$
D. $1 - \ln 2$
求定积分int_(-1)^1 ((xrm{dx))/(sqrt(5-4x)) }求定积分$\int_{-1}^{1} {\frac{x\rm{dx}}{\sqr
定积分(int )_(0)^1sqrt (2x-{x)^2}dx=( )(int )_(0)^1sqrt (2x-{x)^2}dx=( )(int )_(0
int_(0)^1e^sqrt(x)dx=____30. (3.0分) $\int_{0}^{1}e^{\sqrt{x}}dx=$____
int_(0)^1e^sqrt(x)dx=____13. (4.0分) $\int_{0}^{1}e^{\sqrt{x}}dx=$____
int_(0)^2(1)/(1+sqrt[3](x))dx;$\int_{0}^{2}\frac{1}{1+\sqrt[3]{x}}dx;$
2.计算定积分int_(0)^1ln(1+sqrt(x))dx.2.计算定积分$\int_{0}^{1}\ln(1+\sqrt{x})dx$.
求定积分 int_(1)^e (ln x)/(x)dx ( )。A. 1B. $\frac{1}{2}$C. $-\frac{1}{2}$D. -1
21.求定积分 (int )_(0)^1(e)^sqrt (x)dx 。
积分 int_(0)^1 xe^2x , dx = ____.A. $\frac{e^2+1}{4}$B. $1$C. $\frac{e^2+1}{2}$D.
(12) int_(1)^4(dx)/(1+sqrt(x));(12) $\int_{1}^{4}\frac{dx}{1+\sqrt{x}};$