# Secondary differential equation

1. Apr 14, 2010

### Boryna

Hi, I have a problem with this equation:

d^2b/dz^2= M*(K+c*b)/(k+c*b)

b(1)=1

K,k,c are constans

I need to find a relation between b(0) and M. If it is possible when I resolve this equation and set z = 0?

$$\mu = \frac {db}{dz}$$