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

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

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

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

7.计算下列定积分:-|||-(1) (int )_(0)^1x(e)^-xdx ;-|||-(2)(int )_(1)^xxln xdx;-|||-(3) (

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

[题目]-|||-计算下列定积分.-|||-(int )_(0)^dfrac (pi {2)}|sin x-cos x|dx ;

计算下列定积分.-|||-(int )_(sqrt {2)}^2dfrac (dx)(xsqrt {{x)^2-1}} ;

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:-|||-(10) (int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}}

1.计算下列定积分:-|||-(8) (int )_(dfrac {1)(sqrt {2)}}^1dfrac (sqrt {1-{x)^2}}({x)^2}dx