# the normal to the curve xe^-y+e^y=1+x, at the point (c,lnc) has a y-intercept c^2+1. C?

*label*Calculus

*timer*Asked: Feb 22nd, 2015

**Question description**

the normal to the curve xe^-y+e^y=1+x, at the point (c,lnc) has a y-intercept c^2+1. What's the value of c?