14.求定积分 int_(0)^4ln(2+sqrt(x))dx14.求定积分 $\int_{0}^{4}\ln(2+\sqrt{x})dx$
13.(简答题) 求不定积分int((3+2lnx)^2)/(x)dx.13.(简答题) 求不定积分$\int\frac{(3+2lnx)^{2}}{x}dx$
求定积分(int )_(0)^4ln (sqrt (x)+1)dx.求定积分.
14、计算定积分int_(1)^e(ln^2x)/(x)dx.14、计算定积分$\int_{1}^{e}\frac{\ln^{2}x}{x}dx$.
求定积分 int_(1)^e (ln x)/(x)dx ( )。A. 1B. $\frac{1}{2}$C. $-\frac{1}{2}$D. -1
4.求定积分int_(-2)^2(x+|x|)/(2+x^2)dx.4.求定积分$\int_{-2}^{2}\frac{x+|x|}{2+x^{2}}dx$.
求定积分(int )_(-1)^1((x)^2+2x-3)dx.求定积分.
定积分 int_(0)^1 (1)/(1 + sqrt(x)) dx = ( )A. $1 - 2\ln 2$B. $2 - \ln 2$C. $2 - 2\l
求定积分int_(-1)^1 ((xrm{dx))/(sqrt(5-4x)) }求定积分$\int_{-1}^{1} {\frac{x\rm{dx}}{\sqr
2.计算定积分int_(0)^1ln(1+sqrt(x))dx.2.计算定积分$\int_{0}^{1}\ln(1+\sqrt{x})dx$.