
(int )_(0)^1dfrac (dx)({x)^2sqrt (1-x)} 发散-|||-D (int )_(0)^1dfrac (dx)(xsqrt {1
(int )_(0)^1dfrac (x+2)(sqrt {x+1)}dx=( )(int )_(0)^1dfrac (x+2)(sqrt {x+1)}dx=
(int )_(0)^1dfrac (x)(sqrt {1-{x)^2}}dx= [填空1]
(4)若 (int )_(0)^1f(x)dx=agt 0, 则 (int )_(0)^1dfrac (1)(sqrt {x)}f(sqrt (x))dx=()
定积分(int )_(0)^1dfrac (2)({e)^-x+5}dx=_____.定积分_____.
(int )_(dfrac {3)(4)}^1dfrac (dx)(sqrt {1-x)-1}..
(int )_(-2)^1dfrac (dx)({(11+5x))^3}=_______._______.
(int )_(-1)^1dfrac (1+sin x)(1+{x)^2}dx .
(2) (int )_(-2)^1dfrac (dx)({(11+5x))^3} :
18、单选下列积分的敛散性说法错误的是 -|||-A (int )_(0)^1dfrac (dx)(1-{x)^4} 发散-|||-B (int )_(0)^1