`int(x^(4)-x^(3)+1)/(x^(2)-x+1)dx`

int(x^(4)+3x^(2)+1)/(x^(3))dx

int((x^(3)-1)dx)/(x^(4)

int(x^(3))/(x^(4)+1)dx

Evaluate: (i) int((x^(3) + 4x^(2) -3x -2))/((x+2)) dx , (ii) int((x^(4) +1)/(x^(2) +1))dx

int(x^(4)-2x^(2)+4x+1)/(x^(3)-x^(2)-x+1)dx

" (1) "int(x^(2)+7x+4)/(x^(3)+x^(2)-x-1)dx

int((x^(3)-1)dx)/(x^(4))

(i) int((x^(2) - 1)/(x^(2) + 1))dx , (ii) int ((x^(6)- 1)/(x^(2) + 1))dx (iii) int ((x^(4))/(1+x^(2)))dx , (iv) int((x^(2))/(1+x^(2)))dx

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

Evaluate: int(2x+1)/(x^(4)+2x^(3)+x^(2)-1)dx