[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 ;

计算不定积分int dfrac (1)({x)^2sqrt ({x)^2+1}}dx。计算不定积分。

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

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

1.求下列不定积分:-|||-(1) int dfrac (sqrt {x)-2sqrt [3](x)-1}(sqrt [4]{x)}dx-|||-(2)far

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

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

求下列不定积分(其中a、b、w、φ均为常数):-|||-(41) int dfrac (dx)(1+sqrt {1-{x)^2}}-|||-(42) int d

[题目]求不定积分: (int )(cos )^2dfrac (x)(2)dx

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