If `int(dx)/((x+2)(x^2+1))=alog|1+x^2|+btan^(- 1)x+1/5log|x+2|+c`, then

If int(dx)/((x+2)(x^(2)+1)) = alog|1+x^(2)|+btan^(-1)x+ 1/5log|x+2|+C , then

If int(dx)/((x+2)(x^(2)+1)) = alog|1+x^(2)|+btan^(-1)x+ 1/5log|x+2|+C , then

If int(dx)/((x+2)(x^(2)+1)) = alog|1+x^(2)|+btan^(-1)x+ 1/5log|x+2|+C , then

If int(dx)/((x+2)(x^(2)+1))=aln(1+x^(2))+btan^(-1)x+1/5ln|x+2|+C then

If int dx/((x+2)(1+x^(2)) ) = a log(1+x^(2))+b tan^(-1)x+1/5 log (x+2)+c

If int(2x^2+3)/((x^2-1)(x^2+4))dx=alog((x-1)/(x+1))+btan^(- 1) (x/2)+C then the values of a and b are respectively (A) 1/2,1/2 (B) 1,1 (C) 1/2,1 (D) None

int(dx)/(sqrt(x^(2)+2x+1))=Alog|x+1|+C , x ne 1 then

If int (x^(3)+1)/(x^(2)+1)dx=Ax^(2)+Btan^(-1)x+C log (x^(2)+1)+c then the assecdning order of A,B,C is

int_(1)^(2) (dx)/(x(1+log x)^(2))