等于( )
(({int )_(-2)^2}(x-2)sqrt (4-{x)^2}dx
(int )_(-2)^2(x-2)sqrt (4-{x)^2}dx
(∫)_(0)^2sqrt(4-(x)^2)dx等于（ ）${∫}_{0}^{2}$$\sqrt{4-{x}^{2}}$dx等于（ ） A. $\frac{
(2) (int )_(-2)^2((x)^3(cos )^5x+sqrt (4-{x)^2})dx=
[题目]-|||-定积分 (int )_(-2)^2sqrt (4-{x)^2}dx= __
求下列不定积分int dfrac ({x)^2}(sqrt {4-{x)^2}}dx求下列不定积分
定积分(int )_(0)^1sqrt (2x-{x)^2}dx=( )(int )_(0)^1sqrt (2x-{x)^2}dx=( )(int )_(0
2.计算下列定积分.-|||-(3) (int )_(-2)^2((x)^2sqrt (4-{x)^2}+x(cos )^5x)dx.
(4)int dfrac (sqrt {{x)^2-4}}(x)dx;
(19) int dfrac (dx)(4-{x)^2}