[题目]计算定积分: (int )_(4)^9sqrt (x)(1+sqrt (x))dx.

[题目]计算定积分 (int )_(0)^1dfrac (1)(1+sqrt {x)}dx.

求不定积分int(1)/((1+sqrt[3](x))sqrt(x))dx.21. 求不定积分$\int\frac{1}{(1+\sqrt[3]{x})\sqr

2.计算定积分int_(0)^1ln(1+sqrt(x))dx.2.计算定积分$\int_{0}^{1}\ln(1+\sqrt{x})dx$.

【题目】-|||-(int )_(0)^4dfrac (1)(1+sqrt {x)}dx.

(3) int_(4)^9 sqrt(x)(1+sqrt(x))dx;(3) $\int_{4}^{9} \sqrt{x}(1+\sqrt{x})dx;$

17.计算定积分int_(0)^sqrt(2)(x^2)/(sqrt(4-x^2)) dx.17.计算定积分$\int_{0}^{\sqrt{2}}\frac{

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

【题目】-|||-计算下列定积分:-|||-(12) (int )_(1)^4dfrac (dx)(1+sqrt {x)};

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

[题目]计算定积分 (int )_(-4)^4sqrt (16-{x)^2}dx= __