计算下列广义积分：
计算下列广义积分：
计算下列定积分.-|||-(int )_(sqrt {2)}^2dfrac (dx)(xsqrt {{x)^2-1}} ;
求(int )_(1)^+infty dfrac (dx)(xsqrt {2{x)^2-1}}=求
求不定积分int dfrac (1)(xsqrt {{x)^2-1}}dx。求不定积分。
不定积分 int dfrac ({x)^2-1}(sqrt {xsqrt {x)}}dx=
int dfrac (dx)(xsqrt {{x)^2-1}}=____________________________
1.计算下列定积分:-|||-(16)(int )_(1)^(e^2)dfrac (dx)(xsqrt {1+ln x)};
(9) int dfrac (1)(xsqrt {{x)^2-1}}dx
(37) int dfrac (dx)(xsqrt {{x)^2-1}}
37 int dfrac (dx)(xsqrt {{x)^2-1}}
(37 ) int dfrac (dx)(xsqrt {{x)^2-1}} ,