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;

int dfrac (1-x)(sqrt {9-4{x)^2}}dx=________=________

13.求不定积分 int dfrac (1)(sqrt {x(1-x))}dx

(26) int dfrac (1-x)(sqrt {9-4{x)^2}}dx

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

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

不定积分int dfrac (1)(1+sqrt {1-x)}dx=( ) int dfrac (1)(1+sqrt {1-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

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

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