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

计算下列广义积分：(int )_(1)^+infty dfrac (dx)(xsqrt {2{x)^2-1}}计算下列广义积分：

不定积分 int dfrac ({x)^2-1}(sqrt {xsqrt {x)}}dx=

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

(int )_(1)^2dfrac (sqrt {{x)^2-1}}(x)dx

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

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

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)^sqrt (2)sqrt (2-{x)^2}dx；计算下列定积分：；

int dfrac (dx)(xsqrt {{x)^2-1}}=____________________________