求定积分int_(-1)^1 ((xrm{dx))/(sqrt(5-4x)) }

计算下列定积分：(int )_(-1)^1dfrac (x)(sqrt {5-4x)}dx;计算下列定积分：;

定积分 int_(0)^1 (1)/(1 + sqrt(x)) dx = ( )A. $1 - 2\ln 2$B. $2 - \ln 2$C. $2 - 2\l

求定积分 int_(1)^e (ln x)/(x)dx ( )。A. 1B. $\frac{1}{2}$C. $-\frac{1}{2}$D. -1

求定积分(int )_(0)^4ln (sqrt (x)+1)dx.求定积分.

14.求定积分 int_(0)^4ln(2+sqrt(x))dx14.求定积分 $\int_{0}^{4}\ln(2+\sqrt{x})dx$

1.求下列定积分.-|||-(1) (int )_(1)^4dfrac (1)(x+sqrt {x)}dx

(4)int_(1)^4(ln x)/(sqrt(x))dx;(4)$\int_{1}^{4}\frac{\ln x}{\sqrt{x}}dx;$

1.计算下列定积分:-|||-(11) (int )_(-1)^1dfrac (xdx)(sqrt {5-4x)}

求定积分(int )_(1)^sqrt (3)dfrac (1)({x)^2sqrt (1+{x)^2}}dx求定积分

21.求定积分 (int )_(0)^1(e)^sqrt (x)dx 。