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

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

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

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

int(x^(2)+x-1)/(x^(2)+x-6)dx

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

int(x^(2)+3)/(x^(6)(x^(2)+1))dx

int(x^(2)+3)/(x^(6)(x^(2)+1))dx

int(x^(2)+3)/(x^(6)(x^(2)+1))dx

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