求下列不定积分int dfrac ({x)^2}(sqrt {4-{x)^2}}dx

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

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

1.求下列不定积分:-|||-(2) int dfrac (1-x)(sqrt {9-4{x)^2}}dx;-|||-__

2.求下列不定积分:-|||-(9)int dfrac (1-x)(sqrt {9-4{x)^2}}dx;

【题目】-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx ;

[题目]-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx;

求不定积分int dfrac (arctan sqrt {x)}(sqrt {x)(1+x)}dx求不定积分

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

求下列不定积分：int ln (sqrt (1+{x)^2}-x)dx。求下列不定积分：。

2.求下列不定积分:-|||-(14) int (dfrac (3)(1+{x)^2}-dfrac (2)(sqrt {1-{x)^2}})dx;