posted by Zoey .
Find an equation of the tangent line to the curve at the given point. (Assume the tangent line form to be f(x) = mx + b.)
y= e^x/x (1,e)
I got m= 0
could anyone tell if its right?
y'=d/dx (1/x * e^x)= e^x(-1/x^2+1/x)
y'=slope=e(-1+1)=0 correct for m
so b=e correct.