`int(1+2/x-3/x^2)dx`

int(1-2x^(3))x^(2)dx

Evaluate: int sqrt(1+2x-3x^(2))dx

Evaluate int 1/(3-2x-x^2)dx

Evaluate: int1/(3+2x-x^2)\ dx

int(x+1)/(3+2x-x^2)dx

Evaluate: int(1+2x+3x^(2)+4x^(3)+...)dx,quad (<|x|<1)

(i) int_0^1 (dx)/sqrt(1-x^2) (ii) int_0^1 (dx)/sqrt(1+x^2) (iii) a int_1^sqrt3 (dx)/(1+x^2) b int_0^1 (dx)/(1+x^2) (iv) int_0^(2//3) (dx)/(4+9x^2) (v) int_0^1 x/(x^2+1)dx (vi) int_2^3 x/(x^2+1) dx

int_-1^1(x^2-3x+2)dx=?

int(1)/(x(2x-3)^(2))dx=