tangent to inverse function?
Posted: Wed Aug 03, 2011 2:24 am
Dear All
For the function 'f' as :
f(x)=x - 1/x ; x >0
for which value of 'a' the line '2y-x=a' is tangent to the curve of f^(-1) (inverse function of f)?
Thank you
For the function 'f' as :
f(x)=x - 1/x ; x >0
for which value of 'a' the line '2y-x=a' is tangent to the curve of f^(-1) (inverse function of f)?
Thank you