11.[考点2、3、4] (int )_(-3)^3((sin )^5x+dfrac (1)(2))dx= ___3 ___.

int dfrac (1)({x)^2}sin dfrac (3)(x)dx= __

(2) (int )_(-2)^1dfrac (dx)({(11+5x))^3} :

( (int )_(dfrac {pi )(4)}^dfrac (pi {3)}dfrac (x)({sin )^2x}dx ;

(int )_(-2)^1dfrac (dx)({(11+5x))^3}=_______._______.

int dfrac ({x)^3}({(1+{x)^2)}^2}dx=A.int dfrac ({x)^3}({(1+{x)^2)}^2}dx=B.int df

int dfrac (dx)(3+{sin )^2x}

int dfrac (dx)(3+{sin )^2x}

int dfrac (dx)(3+{sin )^2x}

(3) int dfrac (1)({(1+{x)^2)}^dfrac (3{2)}}dx;

求int dfrac (4{x)^5-3(x)^4+3x}(1+{x)^2}dx求