If `int(x+5)/(x^2+4x+6)dx=alog(x^2+4x+5)+btan^(- 1)(x+k)+c` then `(a,b,k)=`

int(x+5)/(x^(2)+4x+5)dx=alog(x^(2)+4x+5)+btan^(-1)(x+k)+C , then (a,b,k) equals

If int (x+5)/(x^(2)+4x+5))dx=a log(x^(2)+4x+5) +b Tan^(-1)(x+k) constant then (a,b,k)=

int(x+1)/(x^(2)+4x-5)dx

int(x+1)/(x^(2)+4x+5)dx

int(2x+1)/(x^(2)+4x-5)dx

int (2x+1)/(x^2+4x-5) dx

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 2/(1-x^(4)) dx = k log ((1+x)/(1-x)) + tan^(-1)x then k =

If int (sqrtx)^5/((sqrtx)^7+x^6) dx= alog(x^k/(1+x^k))+c then a and k are