Hello,
I've the following function :
f(x)=((1+(1-2*x/c)^0.5)*exp(-2*x/(1+(1-2*x/c)^0.5))-
-(1-(1-2*x/c)^0.5)*exp(-2*x/(1-(1-2*x/c)^0.5)))/(1-2*x/c)^0.5
where 1<x<c/2, c is a positive constant.
I've to show that f(1)>=x*f(x)
Any ideas ?
Asak
Hello,
I've the following function :
f(x)=((1+(1-2*x/c)^0.5)*exp(-2*x/(1+(1-2*x/c)^0.5))-
-(1-(1-2*x/c)^0.5)*exp(-2*x/(1-(1-2*x/c)^0.5)))/(1-2*x/c)^0.5
where 1<x<c/2, c is a positive constant.
I've to show that f(1)>=x*f(x)
Any ideas ?
Asak