(24) int dfrac (sqrt {{x)^2-4}}(x)dx
(24) int dfrac (sqrt {{x)^2-4}}(x)dx
)int dfrac (dx)(sqrt {x)+sqrt [4](x)}
int dfrac (dx)(sqrt {x)+sqrt [4](x)}; ;
int dfrac (1)(sqrt {x)+sqrt [4](x)}dx
(5)int dfrac (1)(sqrt {x)+sqrt [4](x)}dx=(5)
(4) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx
(4) int dfrac (dx)(sqrt [3]{2-3x)}
int dfrac (1-x)(sqrt {9-4{x)^2}}dx=________=________
定积分(int )_(0)^4dfrac (dx)(1+sqrt {x)}的值是( )(int )_(0)^4dfrac (dx)(1+sqrt {x)}(i