计算下列定积分:-|||-(11) (int )_(dfrac {1)(e)}^e|ln x|dx;

1.计算下列定积分:-|||-(16)(int )_(1)^(e^2)dfrac (dx)(xsqrt {1+ln x)};

计算下列定积分。-|||-(int )_(0)^1x(e)^-dfrac ({x^2)(2)}dx

计算下列不定积分.-|||-int dfrac ({e)^x(1+xln x)}(x)dx

计算下列定积分：(int )_(0)^1ln (x+1)dx.计算下列定积分：.

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

例28 计算下列积分:-|||-(1) (int )_(0)^2dfrac (x)({e)^x+(e)^2-x}dx ;

5.计算下列不定积分:-|||-(1) int dfrac (ln x-1)({x)^2}dx ;

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

计算下列定积分。-|||-(int )_(0)^1dfrac ({x)^4}(1+{x)^2}dx

计算下列定积分: (12) (int )_(1)^4dfrac (dx)(1+sqrt {x)}; 计算下列定积分: (12) ;