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

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

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

(3) I=int(x)/(2x^(2)+2x+3)dx

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

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

int ((x^2-2x+3)/x^4)dx

int((x^2-2x+3)/x^4)dx

10.(i) int e^x (1/x^2-2/x^3)dx

Evaluate each of the following integrals: int3^x\ dx (ii) int1/(x^2 3)\ dx (iii) int3^(2\ (log)_3x)\ dx (iv) int(log)_xx\ dx

int (2x)/(3x+2) dx