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

9*int(x+1)/(x^(2)+2x+1)dx

int(2x-1)/(x-2)dx

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

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

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

(i) int(dx)/(sqrt(a^(2)-x^(2)))=(1)/(a)sin^(-1)((x)/(a))+c (ii) int(dx)/(a^(2)+x^(2))=tan^(-1)((x)/(a))+c (iii) int(x+1)/(x^(2)+2x+1)dx=(1)/(2)log|(x^(2)+2x+1)| (iv) int(dx)/(x(x-1))dx=log|(x-1)/(x)|+c State which pair of the statement given above is true.

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

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

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

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