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

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

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

Evaluate : (i) int(3x^(2))/((1+x^(6)))dx (ii) int(x^(3))/((x^(2)+1)^(3))dx (iii) (x^(8))/((1-x^(3))^(1//3))dx

Evaluate: (i) int(x^(2)+x+5)/(3x+2)dx (ii) int(2x+3)/((x-1)^(2))dx

int(2x+3)sqrt(1-3x)dx

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

Evaluate: (i) int(x^2+x+5)/(3x+2)\ dx (ii) int(2x+3)/((x-1)^2)\ dx

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

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

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