(5)
(5)
int dfrac (1)(sqrt {x)+sqrt [4](x)}dx
)int dfrac (dx)(sqrt {x)+sqrt [4](x)}
int dfrac (dx)(sqrt {x)+sqrt [4](x)}; ;
int dfrac (1)(sqrt {x)}ln sqrt (x)dx
(1) int dfrac (3sqrt {x)}(x(sqrt {x)+sqrt [3](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
.int dfrac (sqrt {1+{x)^2}+sqrt (1-{x)^2}}(sqrt {1-{x)^4}}dx.
不定积分int dfrac (1)(1+sqrt {x)}dx= __ 。() int dfrac (1)(1+sqrt {x)}dx= __ 。
(4) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx
求:int dfrac (arctan sqrt {x)}(sqrt {x)(1+x)}dx求: