int dfrac (5x-1)({x)^2-x-2}dx= (.A.int dfrac (5x-1)({x)^2-x-2}dx= (B.int dfrac (5x-1)({x)^2-x-2}dx= (C.int dfrac (5x-1)({x)^2-x-2}dx= (D.int dfrac (5x-1)({x)^2-x-2}dx= (

求int dfrac (1)({x)^2-x-2}dx求

(35) int dfrac (x)({x)^2-x-2}dx;

计算：int dfrac (x)({x)^2-x-2}dx计算：

int dfrac ({x)^3}({(1+{x)^2)}^2}dx=A.int dfrac ({x)^3}({(1+{x)^2)}^2}dx=B.int df

下列公式错误的是A.int dfrac (1)({a)^2+(x)^2}dx=arctan dfrac (x)(a)+C,(aneq 0)B.int dfrac

函数(x)=dfrac (1)({x)^2-x-2} 的麦克劳林展开式为(x)=dfrac (1)({x)^2-x-2}(x)=dfrac (1)({x)^2-

;(11) int dfrac (x+1)({x)^2+2x+5}dx ;

(5) int dfrac (arctan x)(1+{x)^2}dx= __

求不定积分int dfrac (1)(2x)sqrt (ln x)dx=（）.int dfrac (1)(2x)sqrt (ln x)dx=int dfrac

int dfrac ({x)^2}({x)^2+1}dx ,