Case (ii)  If   there are two stationary solutions    and  .

Example 9. Solve the population model with harvesting  ,  
using the constants  a = 4,  b = 1,  and  k = 3,  and explore this situation.

Solution 9.

Construct the general solution.

Construct the constant solutions.  

Find  .  

Remark.  Notice that    tends to the second constant function    as .  
It will take more investigation to see what is happening.  

(c) John H. Mathews 2004