" If "f(x)=(alpha x)/(x+1),x!=-1" for "fof(x)=x" then "alpha=

" Let "f(x)=(alpha x)/(x+1),x!=-1" and "f(f(x))=x" ,then the value of "(alpha^(2))/(2)" is "

For function f(x) = (alpha x)/(x+1) , x ne -1 if fof(x) = x then alpha = ..........

If f(x)=x/(x-1) , x!=1 Find fof(x)

Let f(x)=(alpha x)/((x+1)),x!=-1. The for what value of alpha is f(f(x))=x( a )sqrt(2)(b)-sqrt(2)(c)1

Let f(x)=(alpha x)/(x+1),x!=-1. Then write the value of alpha satisfing f(f(x))=x for all x!=-1

If f (x) = (alpha x)/( x+1) , x ne -1 , for what value of alpha is f[f(x)] = x? a) sqrt2 b) -sqrt2 c)1 d)-1

Let f(x)=(alphax)/(x+1),x!=-1. Then write the value of alpha satisfying f(f(x))=x for all x!=-1.

If f (x) =(alphax)/(x+1) (x ne -1), then the value of alpha for which f {f(x)}=x is-