`int_- 1^1int_0^2int_(x-2)^(x+2)(x+y+z)dx dy dz`

int_0^1 int_1^2 (x^2+y^2) dx dy

int_0^1 int_y^sqrt(y) (x^2+y^2) dy dx=

int_(z=0)^(1)int_(y=0)^(z)int_(x=0)^(y)xy^(2)z^(3)dxdydz is

int_(0)^(1)dx int_(0)^(x)e^((y)/(x))dy

int_0^1 int_0^sqrt(1+x^2) (dy dx)/(1+x^2+y^2)

int_0^2 int_0^sqrt(4+x^2) (dx dy)/(4+x^2+y^2) =

If int_(0)^(1)f(x)dx=1, int_(0)^(1)x f(x)dx=a and int_(0)^(1)x^(2)f(x)dx=a^(2) , then : int_(0)^(1)(a-x)^(2)f(x)dx=

int_(0)^(2)[|x|+|x-1|]dx=

int_(0)^(1)(2-x^(2))/(1+x^(2))dx=