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

int_(-4)^4(sqrt(16-{{x)^2)}dx}(=)__________$\int_{-4}^{4}{\sqrt{16-{{x}^{2}}}dx}

[题目]计算定积分: (int )_(4)^9sqrt (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{

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

计算定积分 (∫)_(0)^2sqrt(4-(x)^2)dx= ____ ．计算定积分${∫}_{0}^{2}$$\sqrt{4-{x}^{2}}$dx= __

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

(4)计算不定积分 int cos sqrt (x)dx.

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

[题目]计算定积分: (int )_(-dfrac {pi )(2)}^dfrac (pi {2)}((|x|+sin x))^2dx

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