If `f(x)=(x-1)/(x+1)` , then show that `f(1/x)=-f(x)` (ii) `f(-1/x)=-1/(f(x))`

If f(x)=(x-1)/(x+1) , then show that f(-1/x)=-1/f(x) .

If f(x)=(x-1)/(x+1) ,then show that f(-1/x)=-1/f(x) .

If f(x)=(x-1)/(x+1) then show that f(1/x)=-f(x) and f(-1/x)=(-1)/f(x)

If f(x)=(1-x)/(1+x) , xne1 then show that f(1/x)=-f(x)

(a) If f(x)=(x-1)/(x+1) then show that. (i) f((1)/(x))=-f(x) (ii) f(-(1)/(x))=-(1)/(f(x)) . (b) Prove that cos20^(@)cos40^(@)cos80^(@)=1//8

If f(x)= (x+1)/(x-1) then show that f[f(x)] = x .

If f(x)= (x-1)/(x+1) , Then show that f(-(1)/(x))= (-1)/(f(x))

If f(x)=x/(2^(x)-1) , then show that f(-1) = 2.

If f(x)=(4^x)/(4^x+2), then show that f(x)+f(1-x) =1.

If f(x)=(4^(x))/(4^(x)+2) , then show that f(x)+f(1-x)=1