If `e^(f(x))= (10+x)/(10-x), x in (-10,10)` and `f(x) =k.f((200x)/(100+x^2))` then k=

If e^(f(x))=(10+x)/(10-x), x in (-10,10) and f(x) = kf ((200x)/(100+x^2)) , then k = a)0.5 b)0.6 c)0.7 d)0.8

If e^(f(x))=(10+x)/(10-x), x in (-10, 10) and f(x)=kf ((200x)/(100+x^(2))) , then k =

If e^(f(x))=(10+x)/(10-x), x in (-10, 10) and f(x)=kf ((200x)/(100+x^(2))) , then k =

If e^(f(x))=(10+x)/(10-x), x in(-10,10) and f(x)=k f((200 x)/(100+x^(2))), then k=

If e ^(f(x))=(10+x)/(10-x) , x in (-10 ,10) and f(x) =kf ((200x)/(100+x^(2))), then the value of k is-

If e^(f(x))=(10+x)/(10-x), x in (-10,10) and f(x)=kf((200x)/(100+x^(2))) , then the value the value of k is -

If e^(f(x))=(10+x)/(10-x),x in (-10 ,10)a n df(x)=kf((200 x)/(100+x^2)),t h e n k= (a) 0.5 (b) 0. 6 (c) 0.7 (d) 0.8

If e^(f(x))=(10+x)/(10-x),x in (-10 ,10)a n df(x)=kf((200 x)/(100+x^2)),t h e nk= (a) 0.5 (b) 0. 6 (c) 0.7 (d) 0.8

If f(x)=-6+10x-7x^(2) , then f(-1) =

If f(x) =(10^(x)-10^(-x))/(10^(x) +10^(-x)) then f^(-1)(x) =