`Ifintxlog(1+1/x)dx=f(x)log(x+1)+g(x)x^2+A x+C ,` then (a)`f(x)=1/2x^2` (b) `g(x)=logx` (c)`A=1` (d) none of these

If int x log(1+(1)/(x))dx=f(x)log(x+1)+g(x)x^(2)+dx+C, then

If intx log (1+(1)/(x))dx =f(x).log_(e)(x+1)+g(x)log_(e)x^(2)xLx+C , then

If int[(logx-1)/(1+(logx)^2)]^2dx=f(x)/(1+(g(x))^2)+c , then (A) f(x)=x (B) f(x)=x^2 (C) g(x)=logx (D) g(x)=(logx)^2

int{log(logx)+(1)/((logx)^(2))}dx=x {f (x)-g(x)}+C , then

int[1/logx-1/(logx)^2]dx= (A) x/logx (B) xlogx (C) logx/x (D) none of these

If f(x)=x^2 and g(x)=x^2+1 then: (f@g)(x)=(g@f)(x)=

If f(x)=1+2x and g(x) = x/2 , then: (f@g)(x)-(g@f)(x)=

The differential coefficient of f(log x) with respect to x, where f(x)=log x is (x)/(log x) (b) (log x)/(x)(c)(x log x)^(-1)(d) none of these