(24) int dfrac (sqrt {{x)^2-4}}(x)dx
(4)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
求不定积分int dfrac (1)(2x)sqrt (ln x)dx=().int dfrac (1)(2x)sqrt (ln x)dx=int dfrac
(5)int dfrac (1)(sqrt {x)+sqrt [4](x)}dx=(5)
例24 int dfrac (dx)(x+sqrt {1-{x)^2}}
int dfrac (1-x)(sqrt {9-4{x)^2}}dx=________=________
(4) int dfrac (dx)(sqrt [3]{2-3x)}