求$\int{{{\left( 2x+1 \right)}^{10}}dx}$．
例 16 求 int dfrac (x+2)(sqrt [3]{2x+1)}dx.
计算定积分 (int )_(0)^1(2x+1)dx.
7.求下列简单有理函数的不定积分:-|||-(1) int dfrac (2x+1)({x)^2-2x+2}dx ;
求int dfrac (1)({x)^2-x-2}dx求
2.求下列不定积分:-|||-(1) int dfrac (dx)({x)^2};-|||-(2) int xsqrt (x)dx; 2.求下列不定积
求-|||-(1) (int )_(-1)^1f(x)dx;-|||-(2)f(x)dx;-|||-(3) (int )_(3)^-1g(x)dx;-|||-(
例2 求 int dfrac (dx)(1+{x)^2} =
求不定积分int dfrac (1)(2x)sqrt (ln x)dx=（）.int dfrac (1)(2x)sqrt (ln x)dx=int dfrac
求(int )_(1)^+infty dfrac (dx)(xsqrt {2{x)^2-1}}=求
求下列定积分:-|||-(10) (int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}}