int (1-x)/(sqrt (9-4x^2))dx，

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

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

(6) int_((1)/(sqrt(2)))^1(sqrt(1-x^2))/(x^2)dx;(6) $\int_{\frac{1}{\sqrt{2}}}^{1

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

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

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

41)int(dx)/(1+sqrt(1-x^2));41)$\int\frac{dx}{1+\sqrt{1-x^{2}}}$;

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

(int )_(0)^1dfrac (dx)({x)^2sqrt (1-x)} 发散-|||-D (int )_(0)^1dfrac (dx)(xsqrt {1

4、计算不定积分int(arcsinsqrt(x))/(sqrt(1-x))dx.4、计算不定积分$\int\frac{\arcsin\sqrt{x}}{\sq