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

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

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

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

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

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

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

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

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

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