由定积分的几何意义计算积分值：int_(-2)^2sqrt(4-x^2)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= __

4.计算下列定积分:-|||-(3) (int )_(0)^a(x)^2sqrt ({a)^2-(x)^2}dx(agt 0) :

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

.计算下列定积分:-|||-(10) (int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}}

求定积分(int )_(1)^sqrt (3)dfrac (1)({x)^2sqrt (1+{x)^2}}dx求定积分

计算不定积分int dfrac (1)({x)^2sqrt ({x)^2+1}}dx。计算不定积分。

2.计算下列定积分.-|||-(3) (int )_(-2)^2((x)^2sqrt (4-{x)^2}+x(cos )^5x)dx.

[题目]利用定积分的几何意义,求 (int )_(-3)^3sqrt (9-{x)^2}dx.

求下列定积分:-|||-(10) (int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}}