17 (int )_(-2)^0dfrac ((x+2)dx)({x)^2+2x+2}

(int )_(-infty )^+infty dfrac (dx)({x)^2+2x+2}..

(2) (int )_(-infty )^+infty dfrac (dx)({x)^2+2x+2}

求下列不定积分:-|||-(2) int dfrac (1)({x)^2+2x+2}dx;

(int )_(0)^1dfrac (x+2)(sqrt {x+1)}dx=( )(int )_(0)^1dfrac (x+2)(sqrt {x+1)}dx=

int x(x+2)dx = ( )A. $\frac{1}{2} x^3 + x^2 + C$B. $\frac{1}{3} x^3 + 2x^2 + C$C

定积分(int )_(-4)^4((e)^(x^2)sin x+2)dx=( )(int )_(-4)^4((e)^(x^2)sin x+2)dx=( )定

求方程dfrac (dy)(dx)-dfrac (2y)(x+2)=((x+2))^dfrac (5{2)}的通解求方程的通解

int_(0)^pi/2(cos x+2)dx=( ).A. $\pi+1$B. $\pi$C. 2D. $\pi/2+2$

int dfrac (5x-1)({x)^2-x-2}dx= (.A.int dfrac (5x-1)({x)^2-x-2}dx= (B.int dfrac (

【题目】-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx ;