" 14.Let "f(x)=x-(1)/(2)log(x^(2)+1)" .Then "f(x)" is "

Let f(x)=log(x+sqrt(x^(2)+1)), then f'(x) equals.

Let f(x)=tan^(-1)x-(ln|x|)/(2),x!=0. Then f (x) is increasing in

Let f(x)=(x)/(1+x)-log(1+x) , when x gt 0 , then f is :

Let f(x) be defined for all x in R such that lim_(xrarr0) [f(x)+log(1-(1)/(e^(f(x))))-log(f(x))]=0 . Then f(0) is

Let f(x) be defined for all x in R such that lim_(xrarr0) [f(x)+log(1-(1)/(e^(f(x))))-log(f(x))]=0 . Then f(0) is

Let f(x) be defined for all x in R such that lim_(xrarr0) [f(x)+log(1-(1)/(e^(f(x))))-log(f(x))]=0 . Then f(0) is

Let f(x) = 2x^(2) - log x , then

Let f(x) = log (1-x) +sqrt(x^(2)-1). Then dom (f )=?

Let f(x) = e^(sqrt(x^(2)-1)). log (x-1) . Then dom (f ) =?

If f(x)=2x+cos^(-1) x+log (sqrt(1+x^(2))-x) , then f(x) is-